PM8800 WiZIRD 2x2
PMC-2061867, Issue 8
© Copyright PMC-Sierra, Inc., 2008
All rights reserved. Proprietary and Confidential to PMC-Sierra, Inc. and for its customers’ internal use.
WiMAX Zero Intermediate Frequency Radio
Device
Product Overview
The PM8800 WiZIRD 2x2 is an ultra-integrated single-chip WiMAX
Zero Intermediate Frequency (ZIF) Radio Device. It is designed for
Fixed and Mobile WiMAX applications and supports both IEEE
802.16-2004 and IEEE 802.16e-2005 standard requirements. The
PM8800 WiZIRD 2x2 has two independent radio paths (2Tx and
2Rx) and supports operation in the 2.3 - 2.9 GHz or the
3.3 - 3.8 GHz licensed bands.
The PM8800 WiZIRD 2x2 enables manufacturers of WiMAX Femto
BS, CPE, and MS User Equipment to build low-cost, high-perfor-
mance, 2x2 MIMO equipment today.
Product Highlights
Ultra-Integration
Integration of key transmit and receive path components dramat-
ically reduces the cost of materials and manufacturing, at the
same time improving system reliability.
The PM8800 WiZIRD 2x2 features:
• Two independent radio paths (2Tx and 2Rx) supporting all Wave
2 MIMO features and enabling the radio path for uplink MIMO
enhancements
• Zero-IF architecture removes the cost associated with external
SAW filters
• Integrated DCXO supports AFC with no additional components,
except for a low-cost 40 MHz crystal
• Integrated synthesizer loop filter improves noise immunity and
reduces board space requirements
• 40 MHz reference is available for use by the Baseband MAC
Processor
• Diagnostic loopback circuits for radio calibration and baseband
diagnostics
• Integrated DAC/ADCs for digital I/Q designs allow Baseband
MAC Processors to scale with Moore's Law without being
burdened with analog circuits
• Integrated transmit baluns, digital temperature monitor, and Rx
DC offset capability
Design Flexibility
Design flexibility is essential for equipment manufacturers,
allowing them to react and adapt to changes in market require-
ments with minimal changes.
For flexibility, the PM8800 WiZIRD 2x2 includes:
• Multi-band support for operation in the 2.3 - 2.9 GHz or the
3.3 - 3.8 GHz licensed bands, enabling system designs that are
suitable for use across multiple geographies
• The choice of selecting an analog or digital I/Q interface to an
external Baseband MAC Processor. This lets designers use the
best-in-class Baseband MAC Processor or ASIC available both
now and in the future. The digital I/Q interface is compliant
with JEDEC JESD207, Radio Front End - Baseband Digital Parallel
Interface standard.
• Configurable channel bandwidths of 3.5 MHz, 5 MHz, 7 MHz,
8.75 MHz, 10 MHz, 14 MHz, and 20 MHz
• Programmable transmitter gain control for mobile applications
Reliable Performance
PMC-Sierra has supplied and supported high performance
semiconductor solutions to the communications industry for over
a decade. The same performance philosophy applies to our
WiMAX products.
Transmit Path
• EVM (measured after integrated balun): -36 dB @Pout = 0 dBm
(2.5 GHz), -34 dB @Pout = 0 dBm (3.5 GHz)
• Tx power control range: 70 dB (1 dB steps)
• -77 dBm/MHz noise floor at 70 MHz offset
Receive Path
• EVM: -36 dB (2.5 GHz), -34 dB (3.5 GHz)
• RFIC noise figure: 2.9 dB (2.5 GHz), 3.3 dB (3.5 GHz)
• Rx gain control: 93 dB range (1.5 dB steps), 106 dB max gain
• Adjacent channel rejection: 26 dB (64 QAM)
• Alternate channel rejection: 34 dB (64 QAM)
General Device Information
• Control interface conforms to industry standard SPI
specifications used by Baseband MAC Processors
• 1.8V ± 5% and 2.5V ± 5% supply voltages
• Industrial temperature range (-40 °C to +85 °C)
• 108-pin Dual Row 0.65 mm pitch Micro Lead Frame (MLF/QFN)
(11 x 11 mm body)
Released Product Brief
PM8800 WiZIRD 2x2 WiMAX Zero Intermediate Frequency Radio Device
Corporate Head Office:
PMC-Sierra, Inc.
Mission Towers One
3975 Freedom Circle
Santa Clara, CA, 95054, U.S.A.
Tel: 1.408.239.8000
Fax: 1.408. 492.1157
Operations Head Office:
PMC-Sierra, Inc.
100-2700 Production Way
Burnaby, BC V5A 4X1 Canada
Tel: 1.604.415.6000
Fax: 1.604.415.6200
PMC-2061867, Issue 8, © Copyright PMC-Sierra, Inc. 2008.
All rights reserved. For a complete list of PMC-Sierra’s trademarks , visit www.pmc-sierra.com/legal/. Other product and company names mentioned herein may be the trademarks of their respective owners.
For corporate information, send email to: in[email protected]. All product documentation is available on our web site at: www.pmc-sierra.com.
Applications Diagram
Baseband
I/Q Interface
LPF
PA
BPF
BPF
SPDT
ANT_A
XTAL
Balun
BaseBand
MAC
PM8800
WiZIRD 2x2
LPF
PA
BPF
BPF
SPDT
ANT_B
Balun
Block Diagram
RXA_2G+/-
TXA_2G
SPI
SPI Interface
XTALI
XTALO
DIQ[9:0]
DCXO
RXB_2G+/-
TXA_3G
Digital
BB Interface
Radio Calibration and Control
TX Envelope
Detect
DC Offset
DACs
TSSIA/B
Analog
Baseband
or
Digital
Baseband
Interface
Antenna
Interface
TPC
DACs
RXA_3G+/-
RXB_3G+/-
TXB_2G
TXB_3G
CLKOUT
Radio Arm A
RXB_I
RXB_Q
LNA
VGA
2.5GHz
VGA
mixer
VGA
VGA
LO
PPA
LO
mixer
2.5GHz
1st Order
Passive filter
1st Order
Passive filter
2nd Order
Active Filter
2nd Order
Active Filter
2nd Order
Active Filter
2nd Order
Active Filter
TPC
Attenuator
TPC
Attenuator
PPA
3.5GHz
3.5GHz
LNA
Balun
Balun
4th Order
Active Filter
4th Order
Active Filter
0/90
I
Q
0/90
I
Q
+
Baseband PLL
Sfreq
2*F
LO
/3
PLL
Div2
LO
filter
PA_CTRLA/B
TR_SW_OUT
PA_BIASA/B
LNA
VGA
2.5GHz
VGA
mixer
VGA
VGA
LO
PPA
LO
mixer
2.5GHz
DAC
DAC
1st Order
Passive filter
1st Order
Passive filter
2nd Order
Active Filter
2nd Order
Active Filter
2nd Order
Active Filter
2nd Order
Active Filter
TPC
Attenuator
TPC
Attenuator
PPA
3.5GHz
3.5GHz
LNA
Balun
Balun
4th Order
Active Filter
4th Order
Active Filter
0/90
I
Q
0/90
I
Q
+
TXB_I
TXB_Q
RXA_I
RXA_Q
TXA_I
TXA_Q
ADC
ADC
DAC
DAC
ADC
ADC
PM8800 WiZIRD 2x2
L
F
O
/3
PA and Switch
Control
Registers
Radio B
Radio A
Applications
• PCMCIA Cards, PC Express Cards, USB Dongles
• Customer Premises Equipment (CPE)
• Femto Base Stations
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