Rohde&Schwarz ZNB User manual

R&S®ZNB/ZNBT

Vector Network Analyzers

User Manual

1173916302

Version 64

(;×éÍ2)

This document applies to the following vector network analyzer models and their options:

●R&S® ZNB4, 9 kHz to 4.5 GHz, 2 test ports, order no. 1311.6010K22

●R&S® ZNB4, 9 kHz to 4.5 GHz, 2 test ports, order no. 1334.3330K22

●R&S® ZNB4, 9 kHz to 4.5 GHz, 4 test ports, order no. 1311.6010K24

●R&S® ZNB4, 9 kHz to 4.5 GHz, 4 test ports, order no. 1334.3330K24

●R&S® ZNB8, 9 kHz to 8.5 GHz, 2 test ports, order no. 1311.6010K42

●R&S® ZNB8, 9 kHz to 8.5 GHz, 2 test ports, order no. 1334.3330K42

●R&S® ZNB8, 9 kHz to 8.5 GHz, 4 test ports, order no. 1311.6010K44

●R&S® ZNB8, 9 kHz to 8.5 GHz, 4 test ports, order no. 1334.3330K44

●R&S® ZNB20, 100 kHz to 20 GHz, 2 test ports, order no. 1311.6010K62

●R&S® ZNB20, 100 kHz to 20 GHz, 2 test ports, order no. 1334.3330K62

●R&S® ZNB20, 100 kHz to 20 GHz, 4 test ports, order no. 1311.6010K64

●R&S® ZNB20, 100 kHz to 20 GHz, 4 test ports, order no. 1334.3330K64

●R&S® ZNB26, 100 kHz to 26.5 GHz, 2 test ports, order no. 1334.3330K63

●R&S® ZNB26, 100 kHz to 26.5 GHz, 4 test ports, order no. 1334.3330K65

●R&S® ZNB40, 10 MHz to 40 GHz, 2 test ports, order no. 1311.6010K72

●R&S® ZNB40, 100 kHz to 40 GHz, 2 test ports, order no. 1311.6010K82

●R&S® ZNB40, 100 kHz to 40 GHz, 4 test ports, order no. 1311.6010K84

●R&S® ZNB43, 100 kHz to 43.5 GHz, 2 test ports 2.92 mm, order no. 1334.3330K92

●R&S® ZNB43, 100 kHz to 43.5 GHz, 2 test ports 2.4 mm, order no. 1334.3330K93

●R&S® ZNB43, 100 kHz to 43.5 GHz, 4 test ports 2.92 mm, order no. 1334.3330K94

●R&S® ZNB43, 100 kHz to 43.5 GHz, 4 test ports 2.4 mm, order no. 1334.3330K95

●R&S® ZNBT8, 9 kHz to 8.5 GHz, 4 test ports (up to 24 ports optional),

order no. 1318.7006K24

●R&S® ZNBT20, 100 kHz to 20 GHz, 8 test ports (up to 24 ports optional),

order no. 1332.9002K24

●R&S® ZNBT26, 100 kHz to 26.5 GHz, 8 test ports (up to 24 ports optional),

order no. 1332.9002K34

●R&S® ZNBT40, 100 kHz to 40 GHz, 8 test ports (up to 24 ports optional),

order no. 1332.9002K44

Muehldorfstr. 15, 81671 Muenchen, Germany

Phone: +49 89 41 29 - 0

Email: [email protected]

Internet: www.rohde-schwarz.com

Subject to change – data without tolerance limits is not binding.

R&S® is a registered trademark of Rohde & Schwarz GmbH & Co. KG.

The terms HDMI, HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered

trademarks of HDMI Licensing Administrator, Inc.

All other trademarks are the properties of their respective owners.

1173.9163.02 | Version 64 | R&S®ZNB/ZNBT

Throughout this manual, R&S® is abbreviated as R&S.

Contents

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3User Manual 1173.9163.02 ─ 64

Contents

1 Safety and regulatory information......................................................15

1.1 Safety instructions......................................................................................................15

1.2 Warning messages in the documentation................................................................ 18

1.3 Korea certification class A......................................................................................... 18

2 Welcome to the R&S ZNB/ZNBT......................................................... 19

2.1 What's new in firmware version 3.60.........................................................................19

2.2 Documentation overview............................................................................................20

2.2.1 Getting started manual..................................................................................................20

2.2.2 User manual and help................................................................................................... 21

2.2.3 Service manual............................................................................................................. 21

2.2.4 Instrument security procedures.....................................................................................21

2.2.5 Printed safety instructions............................................................................................. 21

2.2.6 Data sheets and brochures........................................................................................... 21

2.2.7 Release notes and open source acknowledgment (OSA)............................................ 22

2.2.8 Application notes, application cards, white papers, etc.................................................22

3 Getting started......................................................................................23

3.1 Preparing for use........................................................................................................ 23

3.1.1 Lifting and carrying........................................................................................................23

3.1.2 Unpacking and checking............................................................................................... 23

3.1.3 Choosing the operating site.......................................................................................... 23

3.1.4 Setting up the product................................................................................................... 24

3.1.5 Considerations for test setup........................................................................................ 26

3.1.6 Connecting the analyzer to the AC supply.................................................................... 27

3.1.7 Switching the instrument on and off.............................................................................. 28

3.1.8 Standby and ready state............................................................................................... 29

3.1.9 Windows operating system........................................................................................... 29

3.1.10 Minimizing the VNA application.....................................................................................31

3.1.11 Connecting external accessories.................................................................................. 32

3.1.12 Remote operation in a LAN...........................................................................................35

3.2 Instrument tour............................................................................................................39

3.2.1 Front panel R&S ZNB................................................................................................... 39

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3.2.2 Front panel R&S ZNBT................................................................................................. 44

3.2.3 Rear panel R&S ZNB.................................................................................................... 47

3.2.4 Rear panel R&S ZNBT..................................................................................................49

3.3 Operating the instrument........................................................................................... 51

3.3.1 Manual operation.......................................................................................................... 52

3.3.2 Control elements of the application window..................................................................56

3.3.3 Touchscreen gestures................................................................................................... 62

3.3.4 Working with dialogs..................................................................................................... 64

3.3.5 Handling diagrams, traces, and markers...................................................................... 66

3.3.6 Entering data.................................................................................................................69

3.3.7 Scaling diagrams...........................................................................................................73

3.4 Performing measurements.........................................................................................78

3.4.1 Transmission S-parameter measurement..................................................................... 78

3.4.2 Reflection S-parameter measurement.......................................................................... 85

4 Concepts and features........................................................................ 87

4.1 Basic concepts............................................................................................................87

4.1.1 Global (persistent) settings........................................................................................... 87

4.1.2 Recall sets.....................................................................................................................88

4.1.3 Traces, channels and diagrams.................................................................................... 88

4.1.4 Sweep control............................................................................................................... 90

4.1.5 Data flow....................................................................................................................... 98

4.2 Screen elements........................................................................................................102

4.2.1 Display elements of a diagram....................................................................................102

4.2.2 Dialogs.........................................................................................................................113

4.2.3 Trace formats.............................................................................................................. 116

4.3 Measurement results................................................................................................ 124

4.3.1 S-parameters.............................................................................................................. 125

4.3.2 Reference impedances............................................................................................... 127

4.3.3 Impedance parameters............................................................................................... 129

4.3.4 Admittance parameters............................................................................................... 133

4.3.5 Wave quantities and ratios.......................................................................................... 134

4.3.6 Unbalance-balance conversion...................................................................................137

4.3.7 Stability factors............................................................................................................141

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4.3.8 Group delay.................................................................................................................142

4.4 Operations on traces................................................................................................ 143

4.4.1 Limit check.................................................................................................................. 143

4.4.2 Trace files....................................................................................................................150

4.4.3 Memory-mapped trace data transfer...........................................................................159

4.5 Calibration................................................................................................................. 161

4.5.1 Calibration types......................................................................................................... 162

4.5.2 Calibration standards and calibration kits................................................................... 173

4.5.3 Calibration pool........................................................................................................... 180

4.5.4 Calibration state labels................................................................................................180

4.5.5 Automatic calibration...................................................................................................180

4.5.6 Scalar power calibration..............................................................................................193

4.5.7 SMARTerCal................................................................................................................198

4.5.8 Parallel calibration of multiple channels...................................................................... 201

4.5.9 Joining calibrations......................................................................................................201

4.6 Offset parameters and de-/embedding................................................................... 202

4.6.1 Offset parameters........................................................................................................202

4.6.2 Embedding and deembedding.................................................................................... 208

4.7 Optional extensions and accessories.....................................................................220

4.7.1 Additional test ports (R&S ZNBT only)........................................................................222

4.7.2 Time domain analysis..................................................................................................223

4.7.3 Distance-to-fault measurements................................................................................. 235

4.7.4 Frequency conversion measurements........................................................................ 237

4.7.5 Receiver bandwidth 10 MHz....................................................................................... 247

4.7.6 Frequency resolution 1 mHz....................................................................................... 248

4.7.7 Measurement uncertainty analysis..............................................................................248

4.7.8 Eazy de-embedding based on IEEE 370.................................................................... 251

4.7.9 In-situ de-embedding.................................................................................................. 252

4.7.10 Smart fixture de-embedding........................................................................................253

4.7.11 Delta-L 4.0 PCB characterization................................................................................253

4.7.12 Health and usage monitoring service (HUMS)............................................................254

4.7.13 Bias tees (R&S ZNB only)...........................................................................................255

4.7.14 Internal second source................................................................................................256

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4.7.15 Precision frequency reference.................................................................................... 257

4.7.16 GPIB interface.............................................................................................................257

4.7.17 Device control............................................................................................................. 257

4.7.18 Handler I/O (universal interface)................................................................................. 258

4.7.19 RFFE GPIO interface.................................................................................................. 258

4.7.20 Additional removable system drive............................................................................. 260

4.7.21 Extended power range................................................................................................ 260

4.7.22 Extended dynamic range............................................................................................ 261

4.7.23 Receiver step attenuators........................................................................................... 262

4.7.24 R&S ZNB40 reflector module with ESD limiters..........................................................263

4.7.25 DC inputs.................................................................................................................... 263

4.7.26 USB-to-IEC/IEEE adapter........................................................................................... 266

4.7.27 External power meters................................................................................................ 266

4.7.28 External generators.....................................................................................................268

4.7.29 External switch matrices............................................................................................. 270

4.7.30 External DLLs..............................................................................................................277

4.7.31 R&S ZNXSIM.............................................................................................................. 279

5 GUI reference......................................................................................283

5.1 Function Keys and Softtools................................................................................... 283

5.2 Meas softtool............................................................................................................. 285

5.2.1 S-Params tab.............................................................................................................. 286

5.2.2 Ratios tab.................................................................................................................... 295

5.2.3 Wave tab..................................................................................................................... 298

5.2.4 Intermod tab................................................................................................................ 301

5.2.5 Z←Sij tab.................................................................................................................... 305

5.2.6 Y←Sij tab.................................................................................................................... 307

5.2.7 Y-Z-Params tab........................................................................................................... 309

5.2.8 Imbal. CMRR tab.........................................................................................................310

5.2.9 Stability tab..................................................................................................................313

5.2.10 Power Sensor tab........................................................................................................314

5.2.11 DC tab......................................................................................................................... 316

5.2.12 External DLL tab......................................................................................................... 318

5.3 Format softtool..........................................................................................................323

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5.4 Scale softtool.............................................................................................................329

5.4.1 Scale Values tab..........................................................................................................329

5.4.2 Scale Coupling tab...................................................................................................... 332

5.4.3 Zoom tab..................................................................................................................... 333

5.5 Trace Config softtool................................................................................................ 334

5.5.1 Traces tab................................................................................................................... 334

5.5.2 Mem tab...................................................................................................................... 339

5.5.3 All Mem All Data tab....................................................................................................342

5.5.4 Math tab...................................................................................................................... 343

5.5.5 Time Domain tab......................................................................................................... 349

5.5.6 Time Gate tab..............................................................................................................354

5.5.7 Distance to Fault tab................................................................................................... 357

5.5.8 Trace Statistics tab......................................................................................................357

5.5.9 Smooth Shift Hold tab................................................................................................. 363

5.5.10 Infinite Averaging tab...................................................................................................366

5.5.11 Trace Data tab.............................................................................................................367

5.6 Lines softtool.............................................................................................................375

5.6.1 Limit Test tab............................................................................................................... 375

5.6.2 Ripple Test tab............................................................................................................ 383

5.6.3 Circle Test tab............................................................................................................. 388

5.6.4 Display Circle tab........................................................................................................ 391

5.6.5 Horiz. Line tab............................................................................................................. 392

5.7 Marker softtool.......................................................................................................... 393

5.7.1 Markers tab................................................................................................................. 393

5.7.2 Marker Props tab.........................................................................................................396

5.7.3 Marker Search tab.......................................................................................................398

5.7.4 Multiple Peak tab.........................................................................................................404

5.7.5 Target Search tab........................................................................................................406

5.7.6 Bandfilter tab............................................................................................................... 408

5.7.7 Set by Marker tab........................................................................................................412

5.7.8 Info Field tab............................................................................................................... 414

5.7.9 Marker Coupling tab....................................................................................................414

5.8 Stimulus softtool.......................................................................................................415

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5.8.1 Stimulus tab................................................................................................................ 416

5.8.2 Power tab.................................................................................................................... 417

5.8.3 Time Domain tab......................................................................................................... 420

5.9 Power Bw Avg softtool............................................................................................. 422

5.9.1 Power tab.................................................................................................................... 422

5.9.2 Bandwidth tab............................................................................................................. 422

5.9.3 Average tab.................................................................................................................423

5.10 Sweep Softtool.......................................................................................................... 425

5.10.1 Sweep Params tab......................................................................................................425

5.10.2 Sweep Type tab.......................................................................................................... 428

5.10.3 Trigger tab................................................................................................................... 439

5.10.4 Sweep Control tab.......................................................................................................444

5.11 Cal softtool................................................................................................................ 448

5.11.1 Start Cal tab................................................................................................................ 449

5.11.2 Cal Devices tab........................................................................................................... 514

5.11.3 Power Cal Settings tab................................................................................................528

5.11.4 Use Cal tab................................................................................................................. 535

5.11.5 METAS Cal tab............................................................................................................542

5.12 Channel Config softtool............................................................................................551

5.12.1 Channels tab............................................................................................................... 552

5.12.2 Port Config tab............................................................................................................ 565

5.12.3 Mode tab..................................................................................................................... 582

5.12.4 Intermod tab................................................................................................................ 587

5.12.5 Pwr Cal Settings tab....................................................................................................599

5.12.6 Mixer Mode tab........................................................................................................... 599

5.13 Offset Embed softtool...............................................................................................610

5.13.1 Offset Embed dock widget.......................................................................................... 610

5.13.2 Offset tab.....................................................................................................................620

5.13.3 One Way Loss tab.......................................................................................................626

5.13.4 Single Ended tab.........................................................................................................628

5.13.5 Fixture modeling dialog............................................................................................... 631

5.13.6 Port Sets tab............................................................................................................... 646

5.13.7 Balanced tab............................................................................................................... 648

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5.13.8 Ground Loop tab......................................................................................................... 651

5.13.9 Differential Match tab.................................................................................................. 654

5.13.10 Config tab....................................................................................................................655

5.13.11 Deembed Assistant tab............................................................................................... 657

5.13.12 Delta-L tab...................................................................................................................667

5.14 File softtool................................................................................................................674

5.14.1 Recall sets tab.............................................................................................................675

5.14.2 Favorites tab............................................................................................................... 679

5.14.3 Print tab.......................................................................................................................680

5.14.4 Printer Setup dialog.....................................................................................................681

5.14.5 Trace Data tab.............................................................................................................682

5.14.6 More tab...................................................................................................................... 683

5.14.7 Configure Additional Simulation Data dialog...............................................................684

5.15 DUT Softtool.............................................................................................................. 687

5.16 Applic softtool........................................................................................................... 687

5.16.1 External Tools application........................................................................................... 688

5.16.2 TDR application...........................................................................................................689

5.16.3 DUT Centric application.............................................................................................. 717

5.16.4 Distance to Fault Application.......................................................................................733

5.17 Display softtool......................................................................................................... 741

5.17.1 Diagram tab.................................................................................................................741

5.17.2 Split tab....................................................................................................................... 745

5.17.3 Config tab....................................................................................................................747

5.17.4 View Bar tab................................................................................................................754

5.17.5 Touchscreen tab..........................................................................................................755

5.18 Setup softtool............................................................................................................ 756

5.18.1 Setup tab.....................................................................................................................756

5.18.2 Freq. Ref. tab.............................................................................................................. 782

5.18.3 Remote Settings tab....................................................................................................783

5.18.4 External Devices tab................................................................................................... 786

5.18.5 External Ports tab........................................................................................................797

5.19 Help softtool.............................................................................................................. 808

5.20 Additional Function Keys.........................................................................................809

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6 Remote control...................................................................................811

6.1 Introduction to remote control.................................................................................811

6.1.1 Remote control via USB..............................................................................................812

6.1.2 Starting a remote control session................................................................................813

6.1.3 GPIB Explorer............................................................................................................. 813

6.1.4 Switchover to remote control.......................................................................................815

6.1.5 Combining manual and remote control....................................................................... 818

6.2 Messages................................................................................................................... 819

6.2.1 Device messages (commands and device responses)...............................................819

6.2.2 SCPI command structure and syntax..........................................................................819

6.2.3 SCPI parameters.........................................................................................................823

6.3 Basic remote control concepts................................................................................825

6.3.1 Traces, channels, and diagram areas......................................................................... 825

6.3.2 Active traces in remote control....................................................................................826

6.3.3 Initiating measurements, speed considerations.......................................................... 827

6.3.4 Addressing traces and channels................................................................................. 828

6.4 Command processing.............................................................................................. 829

6.4.1 Input unit..................................................................................................................... 829

6.4.2 Command recognition................................................................................................. 830

6.4.3 Data base and instrument hardware........................................................................... 830

6.4.4 Status reporting system.............................................................................................. 831

6.4.5 Output unit...................................................................................................................831

6.4.6 Command sequence and command synchronization................................................. 831

6.5 Status reporting system........................................................................................... 833

6.5.1 Overview of status registers........................................................................................834

6.5.2 Structure of a SCPI status register..............................................................................835

6.5.3 Contents of the status registers.................................................................................. 837

6.5.4 Application of the status reporting system.................................................................. 844

6.5.5 Reset values of the status reporting system............................................................... 847

7 Command reference.......................................................................... 848

7.1 Special terms and notation...................................................................................... 848

7.1.1 Upper- vs. lower-case................................................................................................. 849

7.1.2 Special characters.......................................................................................................849

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7.1.3 Parameters..................................................................................................................849

7.1.4 Numeric suffixes..........................................................................................................849

7.2 Common commands.................................................................................................850

7.3 SCPI command reference.........................................................................................851

7.3.1 CALCulate commands................................................................................................ 852

7.3.2 CONFigure commands............................................................................................. 1077

7.3.3 CONTrol commands..................................................................................................1086

7.3.4 DIAGnostic commands.............................................................................................. 1111

7.3.5 DISPlay commands................................................................................................... 1113

7.3.6 FORMat commands.................................................................................................. 1139

7.3.7 HCOPy commands....................................................................................................1140

7.3.8 INITiate commands................................................................................................... 1146

7.3.9 INSTrument commands.............................................................................................1149

7.3.10 MEMory commands...................................................................................................1150

7.3.11 MMEMory commands................................................................................................1152

7.3.12 OUTPut commands...................................................................................................1192

7.3.13 PROGram commands............................................................................................... 1197

7.3.14 [SENSe:] commands.................................................................................................1200

7.3.15 SOURce commands................................................................................................. 1345

7.3.16 STATus commands................................................................................................... 1392

7.3.17 SYSTem commands..................................................................................................1395

7.3.18 TRACe commands....................................................................................................1442

7.3.19 TRIGger commands..................................................................................................1445

7.4 HUMS and service date commands...................................................................... 1452

7.4.1 SNMP/REST commands...........................................................................................1452

7.4.2 System information commands.................................................................................1456

7.4.3 Device tags commands.............................................................................................1466

7.4.4 Utilization commands................................................................................................ 1467

7.4.5 Service date commands............................................................................................1474

7.5 R&S ZVR/ZVABT compatible commands..............................................................1476

8 Programming examples.................................................................. 1503

8.1 Basic tasks.............................................................................................................. 1503

8.1.1 Typical stages of a remote control program.............................................................. 1503

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8.1.2 Channel, trace and diagram handling....................................................................... 1506

8.2 Condensed programming examples..................................................................... 1512

8.2.1 Path-independent remote control programs..............................................................1513

8.2.2 Trace and diagram handling......................................................................................1513

8.2.3 Using markers........................................................................................................... 1522

8.2.4 Data handling............................................................................................................ 1524

8.2.5 Calibration................................................................................................................. 1530

8.2.6 Mixer measurement.................................................................................................. 1537

8.2.7 RFFE/GPIO interface programming..........................................................................1540

8.2.8 Fixture modeling........................................................................................................1542

9 Error messages and troubleshooting............................................ 1544

9.1 Errors during firmware operation..........................................................................1544

9.1.1 Asynchronous errors................................................................................................. 1545

9.1.2 Errors during measurement...................................................................................... 1545

9.2 Errors during firmware installation/update.......................................................... 1546

9.3 Collecting information for technical support....................................................... 1548

9.4 Contacting customer support................................................................................1549

10 Transporting..................................................................................... 1550

11 Maintenance, storage and disposal............................................... 1551

11.1 Replacing fuses.......................................................................................................1551

11.2 Recalibration and repair......................................................................................... 1551

11.3 Cleaning................................................................................................................... 1551

11.4 Storage.....................................................................................................................1552

11.5 Disposal................................................................................................................... 1552

12 Annexes............................................................................................ 1553

12.1 Firmware installation.............................................................................................. 1553

12.2 System recovery..................................................................................................... 1554

12.3 Interfaces and connectors..................................................................................... 1554

12.3.1 Rear panel connectors.............................................................................................. 1554

12.3.2 LAN interface............................................................................................................ 1556

12.3.3 GPIB interface...........................................................................................................1557

12.3.4 Handler I/O (universal interface)............................................................................... 1560

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12.3.5 RFFE - GPIO interface..............................................................................................1568

12.4 Showroom mode..................................................................................................... 1570

12.5 ENA emulation commands.....................................................................................1571

Glossary: Frequently used terms...................................................1579

List of commands............................................................................ 1585

Index..................................................................................................1613

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Safety and regulatory information

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15User Manual 1173.9163.02 ─ 64

1 Safety and regulatory information

The product documentation helps you use the product safely and efficiently. Follow the

instructions provided here and in the following chapters.

Intended use

The product is intended for the development, production and verification of electronic

components and devices in industrial, administrative, and laboratory environments.

Use the product only for its designated purpose. Observe the operating conditions and

performance limits stated in the data sheet.

Where do I find safety information?

Safety information is part of the product documentation. It warns you of potential dan-

gers and gives instructions on how to prevent personal injury or damage caused by

dangerous situations. Safety information is provided as follows:

●In Chapter 1.1, "Safety instructions", on page 15. The same information is provi-

ded in many languages as printed "Safety Instructions". The printed "Safety

Instructions" are delivered with the product.

●Throughout the documentation, safety instructions are provided when you need to

take care during setup or operation.

1.1 Safety instructions

Products from the Rohde & Schwarz group of companies are manufactured according

to the highest technical standards. To use the products safely, follow the instructions

provided here and in the product documentation. Keep the product documentation

nearby and offer it to other users.

Use the product only for its intended use and within its performance limits. Intended

use and limits are described in the product documentation such as the data sheet,

manuals and the printed "Safety Instructions". If you are unsure about the appropriate

use, contact Rohde & Schwarz customer service.

Using the product requires specialists or specially trained personnel. These users also

need sound knowledge of at least one of the languages in which the user interfaces

and the product documentation are available.

Never open the casing of the product. Only service personnel authorized by

Rohde & Schwarz are allowed to repair the product. If any part of the product is dam-

aged or broken, stop using the product. Contact Rohde & Schwarz customer service at

http://www.customersupport.rohde-schwarz.com.

Lifting and carrying the product

The R&S ZNB is not heavy (less than 18 kg fully equipped; see data sheet).

The R&S ZNBT is heavy (over 35 kg fully equipped). Do not move or carry the product

by yourself. A single person can only carry a maximum of 18 kg safely depending on

Safety instructions

Safety and regulatory information

R&S®ZNB/ZNBT

16User Manual 1173.9163.02 ─ 64

age, gender and physical condition. Look up the maximum weight in the data sheet.

Use the product handles to move or carry the product. Do not lift by the accessories

mounted on the product. Accessories are not designed to carry the weight of the prod-

uct.

To move the product safely, you can use lifting or transporting equipment such as lift

trucks and forklifts. Follow the instructions provided by the equipment manufacturer.

Choosing the operating site

Only use the product indoors. The product casing is not waterproof. Water that enters

can electrically connect the casing with live parts, which can lead to electric shock,

serious personal injury or death if you touch the casing. If Rohde & Schwarz provides

accessories designed for your product, e.g. a carrying bag, you can use the product

outdoors.

Unless otherwise specified, you can operate the product up to an altitude of 2000 m

above sea level. The product is suitable for pollution degree 2 environments where

nonconductive contamination can occur. For more information on environmental condi-

tions such as ambient temperature and humidity, see the data sheet.

Setting up the product

Always place the product on a stable, flat and level surface with the bottom of the prod-

uct facing down. If the product is designed for different positions, secure the product so

that it cannot fall over.

If the product has foldable feet, always fold the feet completely in or out to ensure sta-

bility. The feet can collapse if they are not folded out completely or if the product is

moved without lifting it. The foldable feet are designed to carry the weight of the prod-

uct, but not an extra load.

If stacking is possible, keep in mind that a stack of products can fall over and cause

injury.

If you mount products in a rack, ensure that the rack has sufficient load capacity and

stability. Observe the specifications of the rack manufacturer. Always install the prod-

ucts from the bottom shelf to the top shelf so that the rack stands securely. Secure the

product so that it cannot fall off the rack.

Connecting to power

The product is an overvoltage category II product. Connect the product to a fixed

installation used to supply energy-consuming equipment such as household applian-

ces and similar loads. Keep in mind that electrically powered products have risks, such

as electric shock, fire, personal injury or even death. Replace parts that are relevant to

safety only by original parts, e.g. power cables or fuses.

Take the following measures for your safety:

●Before switching on the product, ensure that the voltage and frequency indicated

on the product match the available power source. If the power adapter does not

adjust automatically, set the correct value and check the rating of the fuse.

●If a product has an exchangeable fuse, its type and characteristics are indicated

next to the fuse holder. Before changing the fuse, switch off the product and dis-

Safety instructions

Safety and regulatory information

R&S®ZNB/ZNBT

17User Manual 1173.9163.02 ─ 64

connect it from the power source. How to change the fuse is described in the prod-

uct documentation.

●Only use the power cable delivered with the product. It complies with country-spe-

cific safety requirements. Only insert the plug into an outlet with protective conduc-

tor terminal.

●Only use intact cables and route them carefully so that they cannot be damaged.

Check the power cables regularly to ensure that they are undamaged. Also ensure

that nobody can trip over loose cables.

●If you connect the product to an external power supply, use the one delivered with

the product or recommended in the product documentation. The external power

supply must conform to the country-specific regulations.

●Only connect the product to a power source with a fuse protection of maximum

20 A.

●Ensure that you can disconnect the product from the power source at any time.

Pull the power plug to disconnect the product. The power plug must be easily

accessible. If the product is integrated into a system that does not meet these

requirements, provide an easily accessible circuit breaker at the system level.

Cleaning the product

Use a dry, lint-free cloth to clean the product. When cleaning, keep in mind that the

casing is not waterproof. Do not use liquid cleaning agents.

Meaning of safety labels

Safety labels on the product warn against potential hazards.

Potential hazard

Read the product documentation to avoid personal injury or product damage.

Heavy product

Be careful when lifting, moving or carrying the product. Carrying the product requires a suffi-

cient number of persons or transport equipment.

Electrical hazard

Indicates live parts. Risk of electric shock, fire, personal injury or even death.

Hot surface

Do not touch. Risk of skin burns. Risk of fire.

Protective conductor terminal

Connect this terminal to a grounded external conductor or to protective ground. This connec-

tion protects you against electric shock if an electric problem occurs.

Safety instructions

Safety and regulatory information

R&S®ZNB/ZNBT

18User Manual 1173.9163.02 ─ 64

1.2 Warning messages in the documentation

A warning message points out a risk or danger that you need to be aware of. The sig-

nal word indicates the severity of the safety hazard and how likely it will occur if you do

not follow the safety precautions.

WARNING

Potentially hazardous situation. Could result in death or serious injury if not avoided.

NOTICE

Potential risks of damage. Could result in damage to the supported product or to other

property.

1.3 Korea certification class A

이 기기는 업무용(A급) 전자파 적합기기로서 판매자 또는 사용자는 이 점을 주의하시기

바라며, 가정외의 지역에서 사용하는 것을 목적으로 합니다.

Korea certification class A

Welcome to the R&S ZNB/ZNBT

R&S®ZNB/ZNBT

19User Manual 1173.9163.02 ─ 64

2 Welcome to the R&S ZNB/ZNBT

This manual is intended to provide you with all information that is necessary for setup,

manual and remote control of the R&S ZNB/ZNBT.

We also invite you to find out what's new in the current revision of the software and

learn how to make best use of our documentation and of the help system.

If you have any questions or comments, please contact your partners at Rohde &

Schwarz and give us your feedback.

2.1 What's new in firmware version 3.60

This manual describes version 3.60 of the R&S ZNB/ZNBT firmware. Compared to the

previous version 3.50, firmware version 3.60 provides the following changes:

New functionality

●R&S ZNBT8: Support of new synthesizer boards with new instruments (serial num-

ber >= 200000) or upgrade

●Derivative in trace math (formatted traces only)

See "Dev" function in Chapter 5.5.4.2, "User Def Math dialog", on page 345

New remote control functionality

●New command CALCulate<Ch>:PARameter:COPY:CHANnel implementing the

"Copy Channel (+ Diagram)" GUI functionality

●New command [SENSe<Ch>:]CORRection:EDELay<PhyPt>:VELocity to

set/get the velocity factor for offset correction

●New command SYSTem:COMMunicate:RDEVice:AKAL:TEMPerature? to

query the temperature of the active calibration unit

Modified functionality

●Trace format "Unwrapped Phase": Unstable starting point normalized to upper

starting point

Improvements

●Trace data import: When loading data from Touchstone file, a warning is raised if

the configured reference impedances of the involved VNA ports are not identical

●ISD tool (self-installed or with option R&S ZNB/ZNBT-K220): Support for ISD ver-

sion 22.11.23

●SFD tool (self-installed or with option R&S ZNB/ZNBT-K230): Support for SFD ver-

sion 2022.08.17

Solved issues

●Fixture compensation: For "Auto Length and Loss" correction, measuring "Open

and Short" sometimes yielded inferior loss estimations, compared to measuring

"Open" or "Short" only.

What's new in firmware version 3.60

Welcome to the R&S ZNB/ZNBT

R&S®ZNB/ZNBT

20User Manual 1173.9163.02 ─ 64

●Measurement uncertainty analysis (R&S ZNB-K50/K51): Missing uncertainty mod-

els for R&S ZNB43; the default uncertainty models that were used instead, yielded

inaccurate results.

●Time domain measurements (R&S ZNB/ZNBT-K2) in low-pass mode: DC settings

did not take effect immediately.

●Repeating a SMARTerCal led to duplicate power meter buttons (one of them inva-

lid), if a power meter with a different ID was selected

●CalKit definition: When reading a calibration standard's properties from Touchstone

file, the firmware did not consider the impedance specified in the file header, and

always assumed 50 Ω.

●R&S ZNXSIM: VNA FW 3.50 sporadically hangs while running certain calibration

sequences

●R&S ZNBT with switch matrix R&S ZN-Z84: Firmware freezes for certain logical

port configurations

●Trace data import: When loading data from Touchstone files, the firmware did not

consider the port impedances specified in the file header, and always assumed

50 Ω.

●A calibration performed with calibration unit R&S ZN-150 was not applied, if the

channel start frequency was below 10 MHz.

●For instruments running Windows 10, version 21H2, the device footprint errone-

ously reported servicePackMajorVersion="2009" (instead of "21H2")

Firmware version

► To check your R&S ZNB/ZNBT firmware version, select "Help" > "About..." from the

main menu.

2.2 Documentation overview

This section provides an overview of the R&S ZNB/ZNBT user documentation. Unless

specified otherwise, you find the documents at:

●https://www.rohde-schwarz.com/manual/ZNB

●https://www.rohde-schwarz.com/manual/ZNBT

2.2.1 Getting started manual

Introduces the R&S ZNB/ZNBT and describes how to set up and start working with the

product. Includes basic operations, typical measurement examples, and general infor-

mation, e.g. safety instructions, etc.

A printed version is delivered with the instrument. A PDF version is available for down-

load on the Internet.

Documentation overview

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