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Manual No.:68007024004
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Manual No.:68007024004
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i
COPYRIGHT
Copyrights
© 2008 – 2010 by Motorola, Inc. All rights reserved.
No part of this manual may be reproduced, transmitted, stored in a retrieval system, or translated into
any language or computer language, in any form or by any means, without the prior written
permission of Motorola Inc.
Computer Software Copyrights
The Motorola products described in this manual may include copyrighted Motorola computer
programs stored in semiconductor memories or other media. Laws in the United States and other
countries preserve for Motorola certain exclusive rights for copyrighted computer programs including,
but not limited to, the exclusive right to copy or reproduce in any form the copyrighted computer
program. Accordingly, any copyrighted Motorola computer programs contained in the Motorola
products described in this manual may not be copied, reproduced, modified, reverse-engineered, or
distributed in any manner without the express written permission of Motorola. Furthermore, the
purchase of Motorola products shall not be deemed to grant either directly or by implication, estoppel,
or otherwise, any license under the copyrights, patents or patent applications of Motorola, except for
the normal non-exclusive royalty-free license to use that arises by operation of law in the sale of a
product.
Trademarks
MOTOROLA and the Stylized M Logo are registered in the U.S.Patent and Trademark Office. All
other product or service names are the property of their respective owners.
ii
SAFETY
Product Safety and RF Exposure Compliance
ATTENTION!
This is restricted to occupational use only to satisfy ICNIRP RF energy exposure
requirements. Before using this product, read the RF energy awareness information and
operating instructions in the Quick Reference Card enclosed with your radio (Motorola
Publication part number 68007024011) to ensure compliance with RF energy exposure limits.
For a list of Motorola-approved antennas, and other accessories, visit the following web site
which lists approved accessories: http://www.motorola.com/business
These servicing instructions are for use by qualified personnel only. To reduce the
risk of electric shock, do not perform any servicing other than that contained in the
Operating Instructions unless you are qualified to do so. Refer all servicing to
qualified service personnel.
Before using this product, read the operating instructions for safe usage contained
in the Quick Reference Card enclosed with your radio.
iii
DOCUMENT HISTORY
The following major changes have been implemented in this manual since the previous edition:
Edition Description Date
68007024004-A Initial edition Oct. 2008
68007024004-B Added VHF 136 – 174 MHz information Feb. 2009
68007024004-C Updated Section 5.5 and Section 5.7 Sept. 2009
68007024004-D Update Exploded views and Part lists for Front
Housing with Escutcheon Top
MDC1200 and QCII Info
Added UHF1 Info
Added NKP
Nov. 2010
iv Document History
Notes
Table of Contents v
Table of Contents
Copyright ........................................................................................................ i
Safety ............................................................................................................. ii
Document History ........................................................................................ iii
Chapter 1 Model Charts and Test Specifications .............................. 1-1
1.1 Radio Model Information................................................................................................................ 1-1
1.2 Model Chart for UHF2, 435–480 MHz ........................................................................................... 1-2
1.3 Model Chart for VHF, 136–174 MHz ............................................................................................1-3
1.4 UHF2 Specifications ...................................................................................................................... 1-4
1.5 VHF Specifications ........................................................................................................................ 1-5
Chapter 2 Theory Of Operation ........................................................... 2-1
2.1 Introduction .................................................................................................................................... 2-1
2.2 Major Assemblies .......................................................................................................................... 2-1
2.2.1 Receiver............................................................................................................................ 2-1
2.2.1.1 RX Front End ..................................................................................................... 2-2
2.2.1.2 RX Back End ..................................................................................................... 2-3
2.2.1.3 RX Squelch........................................................................................................ 2-3
2.2.2 Transmitter........................................................................................................................ 2-4
2.2.3 Phase Lock Loop Synthesizer .......................................................................................... 2-5
2.2.4 RX Audio Circuit ............................................................................................................... 2-6
2.2.5 TX Audio Circuit................................................................................................................ 2-7
2.2.6 Microcontroller .................................................................................................................. 2-8
2.2.7 Power Supply.................................................................................................................... 2-9
Chapter 3 Test Equipment, Service Aids, and Service Tools........... 3-1
3.1 Test Equipment.............................................................................................................................. 3-1
3.2 Service Aids................................................................................................................................... 3-2
Chapter 4 Performance Checks .......................................................... 4-1
4.1 General .......................................................................................................................................... 4-1
4.2 Power–Up Self Test....................................................................................................................... 4-1
4.3 LCD/LED/Button/Volume Knob Test Mode.................................................................................... 4-1
4.4 LED/Button/Volume Knob Test Mode (Non Keypad Models) ........................................................ 4-3
Chapter 5 Radio Programming and Tuning ....................................... 5-1
5.1 Introduction .................................................................................................................................... 5-1
5.2 CPS Programming Setup .............................................................................................................. 5-1
5.3 Radio-to-Radio Cloning ................................................................................................................. 5-1
5.4 Radio Tuning Setup ....................................................................................................................... 5-2
vi Table of Contents
5.4.1 Initial Test Equipment Control Settings ............................................................................. 5-3
5.5 Transmitter Alignment Options ...................................................................................................... 5-4
5.5.1 Transmit High Power Tuning ............................................................................................ 5-5
5.5.2 Transmit Low Power Tuning ............................................................................................. 5-5
5.5.3 Transmit Modulation Tuning ............................................................................................. 5-6
5.5.3.1 Service Monitor Setting...................................................................................... 5-6
5.5.3.2 Transmit 12.5 kHz Modulation Tuning ............................................................... 5-8
5.5.3.3 Transmit 25 kHz Modulation Tuning .................................................................. 5-9
5.6 Transmit MDC Signaling System Modulation Tuning .................................................................. 5-10
5.6.1 Service Monitor Setting...................................................................................................5-10
5.6.2 Transmit MDC Signaling System 12.5 kHz Modulation Tuning ......................................5-11
5.6.3 Transmit MDC Signaling System 25 kHz Modulation Tuning ......................................... 5-12
5.7 Receiver Tuning........................................................................................................................... 5-12
5.7.1 Service Monitor Setting...................................................................................................5-12
5.7.2 Receive 12.5 kHz-Band Normal Squelch Tuning............................................................ 5-14
5.7.3 Receive 12.5 kHz-Band Tight Squelch Tuning ...............................................................5-14
5.7.4 Receive 25 kHz-Band Normal Squelch Tuning............................................................... 5-15
5.7.5 Receive 25 kHz-Band Tight Squelch Tuning .................................................................. 5-16
5.8 Utilities ......................................................................................................................................... 5-17
5.8.1 Program Serial No. .........................................................................................................5-17
5.9 Front Panel Feature and Button Configuration Mode (Keypad Models Only).............................. 5-18
5.9.1 Introduction ..................................................................................................................... 5-18
5.9.2 Entering Programming Mode .......................................................................................... 5-18
5.9.3 Exiting Programming Mode............................................................................................. 5-18
5.9.4 Accessing Front Panel Programming Mode Parameters................................................ 5-18
5.9.5 Editing Front Panel Programming Mode Parameters ..................................................... 5-19
Chapter 6 Maintenance – CP185 ........................................................ 6-1
6.1 Introduction .................................................................................................................................... 6-1
6.2 Preventive Maintenance ................................................................................................................ 6-1
6.2.1 Inspection.......................................................................................................................... 6-1
6.2.2 Cleaning Procedures ........................................................................................................6-1
6.3 Safe Handling of CMOS and LDMOS Devices .............................................................................. 6-2
6.4 Disassembling and Reassembling the Radio – General................................................................ 6-3
6.4.1 Radio Disassembly – Detailed .......................................................................................... 6-4
6.4.1.1 Front Housing From Chassis Disassembly........................................................ 6-4
6.4.1.2 Chassis Assembly Disassembly ........................................................................ 6-7
6.4.1.3 Front Circuit Board, Display Module and Keypad Disassembly......................... 6-8
6.4.1.4 Speaker Disassembly ........................................................................................ 6-9
6.4.2 Radio Reassembly – Detailed......................................................................................... 6-11
6.4.2.1 Speaker Reassembly....................................................................................... 6-11
6.4.2.2 Front Circuit Board, Display Module and Keypad Reassembly ....................... 6-11
6.4.2.3 Chassis Assembly Reassembly....................................................................... 6-12
6.4.2.4 Chassis and Front Housing Reassembly......................................................... 6-14
6.5 Torque List ...................................................................................................................................6-14
6.6 Mechanical View and Parts List ................................................................................................... 6-15
6.6.1 CP185 View and Parts List ............................................................................................. 6-15
Chapter 7 Maintenance – CP185 ......................................................... 7-1
7.1 Introduction .................................................................................................................................... 7-1
7.2 Preventive Maintenance ................................................................................................................ 7-1
Table of Contents vii
7.2.1 Inspection ......................................................................................................................... 7-1
7.2.2 Cleaning Procedures ........................................................................................................7-1
7.3 Safe Handling of CMOS and LDMOS Devices.............................................................................. 7-2
7.4 Repair Procedures and Techniques – General ............................................................................. 7-3
7.5 Disassembling and Reassembling the Radio ................................................................................ 7-6
7.5.1 Radio Disassembly – Detailed.......................................................................................... 7-7
7.5.1.1 Front Housing From Chassis Disassembly........................................................ 7-7
7.5.1.2 Chassis Assembly Disassembly ...................................................................... 7-10
7.5.1.3 Front Circuit Board and Poron Pad Disassembly ............................................ 7-12
7.5.1.4 Speaker Disassembly ...................................................................................... 7-12
7.5.2 Radio Reassembly – Detailed ........................................................................................ 7-13
7.5.2.1 Speaker Reassembly....................................................................................... 7-13
7.5.2.2 Front Circuit Board and Poron Pad Reassembly............................................. 7-14
7.5.2.3 Chassis Assembly Reassembly....................................................................... 7-15
7.5.2.4 Chassis and Front Housing Reassembly......................................................... 7-17
7.6 Torque List................................................................................................................................... 7-17
7.7 Mechanical View and Parts List................................................................................................... 7-18
7.7.1 CP185 (Non Keypad with Channel Knob) Exploded View and Parts List....................... 7-18
Chapter 8 Troubleshooting Tables ..................................................... 8-1
8.1 Error Codes ................................................................................................................................... 8-1
8.2 Troubleshooting Table for Receiver............................................................................................... 8-2
8.3 Troubleshooting Table for Transmitter........................................................................................... 8-3
Appendix A Accessories ........................................................................A-1
Appendix B Warranty, Service Support, and Replacement Parts .......B-1
B.1 Scope of Manual............................................................................................................................B-1
B.2 Warranty ........................................................................................................................................B-1
B.2.1 Warranty Period and Return Instructions..........................................................................B-1
B.2.2 After Warranty Period .......................................................................................................B-1
B.2.3 Piece Parts .......................................................................................................................B-1
Appendix C Repair Procedures and Techniques – General ................C-1
Glossary of Terms..................................................................................... G-1
viii List of Figures
List of Figures
Figure 2-1. Receiver Block Diagram ................................................................................................... 2-1
Figure 2-2. Transmitter Block Diagram ............................................................................................... 2-4
Figure 2-3. PLL Synthesizer Block Diagram ....................................................................................... 2-5
Figure 2-4. RX Audio Block Diagram .................................................................................................. 2-6
Figure 2-5. TX Audio Block Diagram (UHF1 and UHF2) .................................................................... 2-7
Figure 2-6. TX Audio Block Diagram (VHF)........................................................................................2-7
Figure 3-1. Programming/Test Cable (PMDN4077_R) ....................................................................... 3-3
Figure 3-2. Cloning Cable (PMDN4076_R) ........................................................................................ 3-3
Figure 3-3. Wiring of the Connectors .................................................................................................. 3-3
Figure 4-1. LCD Indication .................................................................................................................. 4-1
Figure 5-1. CPS Programming Setup ................................................................................................. 5-1
Figure 5-2. Radio Tuning Setup.......................................................................................................... 5-3
Figure 5-3. Tx High Power Window (High Power) .............................................................................. 5-5
Figure 5-4. Tx Low Power Window (Low Power)................................................................................ 5-6
Figure 5-5. Tx Modulation 12.5 kHz Window ...................................................................................... 5-8
Figure 5-6. Tx Modulation 25 kHz Window ......................................................................................... 5-9
Figure 5-7. Tx MDC Signaling System Modulation 12.5 kHz Window .............................................. 5-11
Figure 5-8. Tx MDC Signaling System Modulation 25 kHz Window ................................................. 5-12
Figure 5-9. Rx 12.5 kHz-band Normal Squelch Tuning Window ...................................................... 5-14
Figure 5-10. Rx 12.5 kHz-band Tight Squelch Tuning Window .......................................................... 5-15
Figure 5-11. Rx 25 kHz-band Normal Squelch Tuning Window ......................................................... 5-16
Figure 5-12. Rx 25 kHz-band Tight Squelch Tuning Window ............................................................. 5-17
Figure 5-13. Program Radio Serial No. Window................................................................................. 5-17
Figure 6-1. Limited Keypad With Channel Knob Model ...................................................................... 6-3
Figure 6-2. Battery and Antenna Removal..........................................................................................6-4
Figure 6-3. Knobs Removal ................................................................................................................ 6-5
Figure 6-4. Chassis Removal.............................................................................................................. 6-5
Figure 6-5. Speaker Wire and Flexible Cable Connection.................................................................. 6-6
Figure 6-6. Speaker Wire Removal..................................................................................................... 6-6
Figure 6-7. Unlatch the Flexible Cable................................................................................................ 6-7
Figure 6-8. Sub-Circuit Board and Accessory Bracket Removal ........................................................ 6-7
Figure 6-9. Main Circuit Board, O-ring and Battery Contact Seal Removal........................................ 6-8
Figure 6-10. Front Circuit Board Removal ............................................................................................ 6-8
Figure 6-11. LCD and Keypad Removal ............................................................................................... 6-9
Figure 6-12. Speaker Removal ........................................................................................................... 6-10
Figure 6-13. Speaker Reassembly .....................................................................................................6-11
Figure 6-14. LCD and Keypad Reassembly ....................................................................................... 6-11
Figure 6-15. Front Circuit Board Reassembly..................................................................................... 6-12
Figure 6-16. Main Circuit Board, O-ring and Battery Contact Seal Reassembly ................................ 6-13
Figure 6-17. Sub Circuit Board and Accessory Bracket Reassembly................................................. 6-13
Figure 6-18. Chassis Assembly and Front Housing Assembly Reassembly ...................................... 6-14
Figure 6-19. CP185 Exploded View.................................................................................................... 6-15
Figure 6-20. “20” Marking on Front Housing.......................................................................................6-17
Figure 7-1. Non Keypad With Channel Knob Model ........................................................................... 7-6
Figure 7-2. Battery and Antenna Removal..........................................................................................7-7
Figure 7-3. Knobs Removal ................................................................................................................ 7-8
Figure 7-4. Chassis Removal.............................................................................................................. 7-8
Figure 7-5. Speaker Wire and Flexible Cable Connection.................................................................. 7-9
Figure 7-6. Speaker Wire Removal..................................................................................................... 7-9
Figure 7-7. Unlatch the Flexible Cable.............................................................................................. 7-10
List of Figures ix
Figure 7-8. Sub-Circuit Board and Accessory Bracket Removal ...................................................... 7-10
Figure 7-9. Main Circuit Board, Finger Strips, O-ring and Battery Contact Seal Removal (UHF1) .. 7-11
Figure 7-10. Main Circuit Board, Finger Strips, O-ring and Battery Contact Seal Removal (UHF2) .. 7-11
Figure 7-11. Front Circuit Board Removal .......................................................................................... 7-12
Figure 7-12. Poron Pad Removal ....................................................................................................... 7-12
Figure 7-13. Speaker Removal........................................................................................................... 7-13
Figure 7-14. Speaker Reassembly ..................................................................................................... 7-13
Figure 7-15. Poron Pod Reassembly.................................................................................................. 7-14
Figure 7-16. Front Circuit Board Reassembly .................................................................................... 7-14
Figure 7-17. Main Circuit Board, Finger Strips, O-ring and Battery Contact Seal Reassembly
(UHF1)............................................................................................................................. 7-15
Figure 7-19. Sub Circuit Board and Accessory Bracket Reassembly................................................. 7-16
Figure 7-18. Main Circuit Board, Finger Strips, O-ring and Battery Contact Seal Reassembly
(UHF2)............................................................................................................................. 7-16
Figure 7-20. Chassis Assembly and Front Housing Assembly Reassembly ...................................... 7-17
Figure 7-21. CP185 (Non Keypad) Radio Exploded View .................................................................. 7-18
Figure 7-22. “20” Marking on Front Housing.......................................................................................7-20
x List of Tables
List of Tables
Table 1-1. Radio Model Number (Example:AAH03RDF8AA7AN)..................................................... 1-1
Table 3-1. Recommended Test Equipment ....................................................................................... 3-1
Table 3-2. Service Aids...................................................................................................................... 3-2
Table 4-1. Radio Operation in Test Mode .........................................................................................4-2
Table 4-2. Radio Operation in Test Mode – Non Keypad Models ..................................................... 4-3
Table 5-1. Initial Equipment Control Settings ....................................................................................5-3
Table 5-2. Transmit High/Low Power Level....................................................................................... 5-4
Table 5-3. Transmit Modulation Tuning ............................................................................................. 5-6
Table 5-4. Transmit MDC Signaling System Modulation Tuning ..................................................... 5-10
Table 5-5. Receiver Squelch Tuning ...............................................................................................5-12
Table 5-6. Front Panel Programming Mode Parameters: Non-MDC1200 & Non-QCII Models....... 5-19
Table 5-7. Front Panel Programming Mode Parameters: MDC1200 & QCII Models ...................... 5-21
Table 6-1. Torque Chart .................................................................................................................. 6-14
Table 7-1. Lead Free Solder Wire Part Number List ......................................................................... 7-3
Table 7-2. Lead Free Solder Paste Part Number List........................................................................ 7-3
Table 7-3. Torque Chart .................................................................................................................. 7-17
Table 7-4. Parts List (Non Keypad with Channel Knob) .................................................................. 7-19
Table 8-1. Error Code Display ........................................................................................................... 8-1
Table 8-2. Receiver Troubleshooting Table....................................................................................... 8-2
Table 8-3. Transmitter Troubleshooting Table................................................................................... 8-3
Table C-1. Lead Free Solder Wire Part Number List ........................................................................ C-1
Table C-2. Lead Free Solder Paste Part Number List....................................................................... C-1
Related Publications
NAG
CP185 Series Radios User Guide (English, French Canadian) ........................6878080A01
CP185 Series Radios Quick Reference Card (English, French Canadian)..... 68007024011
CP185 Series Basic Service Manual............................................................... 68007024004
Notations Used in This Manual xi
Notations Used in This Manual
Throughout the text in this publication, you will notice the use of the following notations. These notations
are used to emphasize that safety hazards exist, and due care must be taken and observed.
Note:
An operational procedure, practice, or condition that isessential to emphasize.
CAUTION indicates a potentially hazardous situation which, if not avoided,
might result in equipment damage.
xii Summary of Bands Available
Summary of Bands Available
Table below lists all the bands available in this manual. For details, please refer to the Model Charts section.
Frequency Band Bandwidth Power Level
UHF1 403 – 447 MHz 2W or 4W
UHF2 435 – 480 MHz 2W or 4W
VHF 136 – 174 MHz 2W or 5W
Chapter 1 Model Charts and Test Specifications
1.1 Radio Model Information
The model number and serial number are located on a label attached to the back of your radio. You
can determine the RF output power, frequency band, protocols, and physical packages. The example
below shows one portable radio model number and its specific characteristics.
Table 1-1. Radio Model Number (Example:AAH03RDF8AA7AN)
Regional
Prefix
Type of
Unit
Model
Series
Freq. Band
Power
Level
Physical
Packages
Channel
Spacing
Protocol
Feature
Level
Version
Letter
Unique
Variation
AA H 03 R
UHF
(435 – 480 MHz)
K
VHF
(136 – 174 MHz)
D
4 W
E
5 W
F
Limited
Keypad with
Channel
Knob
8
12.5/25k
AA
Conventional
AB
Conventional
with
MDC1200/
QCII
7
No
Front Panel
Prog.
with
Scrambling
AN
AA = NAG
H = Portable
03 = CP Family Model Series
N = Standard Package
1-2 Model Charts and Test Specifications: Model Chart for UHF2, 435–480 MHz
1.2 Model Chart for UHF2, 435–480 MHz
CP185, UHF2, 435 – 480 MHz
Model escription
AAH03RDC8AB7AN CP185 435 – 480M 4W 12.5/25K 16C NKP
AAH03RDC4AB7AN CP185 435 – 480M 4W 12.5K 16C NKP
AAH03RDF8AA7AN CP185 435 – 480M 4W 12.5/25K 16C
AAH03RDF8AB7AN CP185 435 – 480M 4W 12.5/25K 16C LKP
AAH03RDF4AB7AN CP185 435 – 480M 4W 12.5K 16C LKP
Item Description
X PMUE3139_ 435 – 480M 4W 12.5/25K 16C
X PMUE3743_ 435 – 480M 4W 12.5/25K 16C NKP
X PMUE3745_ 435 – 480M 4W 12.5K 16C NKP
X PMUE3744_ 435 – 480M 4W 12.5/25K 16C LKP
X PMUE3746_ 435 – 480M 4W 12.5K 16C LKP
X PMDE4023_R 435 – 480M 4W PCB – PMUE3139_AN
X PMDE4058_R 435 – 480M 4W PCB – PMUE3743_AN
X PMDE4056_R 435 – 480M 4W PCB – PMUE3745_AN
X PMDE4057_R 435 – 480M 4W PCB – PMUE3744_AN
X PMDE4055_R 435 – 480M 4W PCB – PMUE3746_AN
X X X PMDN4131_R Front Circuit Board, LKP
X X PMDN4179_R Front Circuit Board, NKP
X X X X X PMDN4128_R Sub Circuit Board, w Channel
X = Indicates compatibility with model(s)
Model Charts and Test Specifications: Model Chart for VHF, 136–174 MHz 1-3
1.3 Model Chart for VHF, 136–174 MHz
CP185, VHF, 136 – 174 MHz
Model Description
AAH03KEC8AB7AN CP185 136 – 174M 5W 12.5/25K 16C NKP
AAH03KEC4AB7AN CP185 136 – 174M 5W 12.5K 16C NKP
AAH03KEF8AA7AN CP185 136 – 174M 5W 12.5/25K 16C
AAH03KEF8AB7AN CP185 136 – 174M 5W 12.5/25K 16C LKP
AAH03KEF4AB7AN CP185 136 – 174M 5W 12.5K 16C LKP
Item Description
X PMUD2444_ 136 – 174M 5W 12.5/25K 16CH
X PMUD2933_ 136 – 174M 5W 12.5/25K 16C NKP
X PMUD2935_ 136 – 174M 5W 12.5K 16C NKP
X PMUD2934_ 136 – 174M 5W 12.5/25K 16C LKP
X PMUD2936_ 136 – 174M 5W 12.5K 16C LKP
X PMDD4020_R 136 –174M 5W PCB – PMUD2444_AN
X PMDD4034_R 136 – 174M 5W PCB – PMUD2933_AN
X PMDD4032_R 136 – 174M 5W PCB – PMUD2935_AN
X PMDD4033_R 136 – 174M 5W PCB – PMUD2934_AN
X PMDD4031_R 136 – 174M 5W PCB – PMUD2936_AN
X X X PMDN4131_R Front Circuit Board, LKP
X X PMDN4179_R Front Circuit Board, NKP
X X X X X PMDN4128_R Sub Circuit Board, w Channel
X = Indicates compatibility with model(s)
1-4 Model Charts and Test Specifications: UHF2 Specifications
1.4 UHF2 Specifications
General
Self-Quieter Frequencies
Transmitter
Receiver
All specifications are subject to change without notice.
UHF2
Frequency: 435 – 480 MHz
Channel Capacity: 16 Channels
Power Supply: 7.5 Volts ±20%
Dimensions:
(H x W x D)
with
High Capacity Li-Ion
NiMH Std
Li-Ion Std
Batteries:
120 mm x 55 mm x 40.7 mm
120mm x 55mm x 36.5mm
120mm x 55mm x 35.5mm
Weight:
16 Channel Model
Batteries:
High Capacity Li-Ion
NiMH Std
Li-Ion Std
342.0g
394.5g
335.0g
Average Battery Life
@ (5-5-90 Duty
Cycle):
High Capacity Li-Ion
NiMH Std
Li-Ion Std
Capacity
(mAh)
2150
1300
1500
4 W
12 Hrs.
8 Hrs.
8 Hrs.
2 W
14 Hrs.
10 Hrs.
10 Hrs.
UHF2
446.44
446.445
455.895
456.01
456.015
456.125
458.195
460
467.785
467.9
468.01
468.125
468.24
470
479.9
UHF2
RF Output
NiMH @ 7.5 V:
Low
2 W
High
4 W
Frequency: 435 – 480 MHz
Channel Spacing: 12.5/25 kHz
Freq. Stability:
(-30°C to +60°C)
0.00025%
Spurs/Harmonics: -36 dBm < 1 GHz
-30 dBm > 1 GHz
Audio Response:
(from 6 dB/oct.
Pre-emphasis, 300 to
3000 Hz)
+1, -3 dB
Audio Distortion:
@ 1000 Hz, 60%
Rated Max. Dev.
<5%
FM Noise: <-40 dB
UHF2
12.5 kHz
UHF2
25 kHz
Frequency: 435 – 480 MHz
Sensitivity
12 dB EIA SINAD:
0.25 μV (typical)
Adjacent Channel
Selectivity:
-65 dB -70 dB
Intermodulation: -70 dB
Freq. Stability
(-30°C to +60°C):
0.00025%
Spur Rejection: -70 dB
Image and 1/2 I-F
Rejection:
-70 dB
Audio Output
@ <5% Distortion:
500 mW
/
