PMC-Sierra M8800 Block Diagram, Applications Diagram, Customer Premises Equipment CPE

PM8800 WiZIRD 2x2 WiMAX Zero Intermediate Frequency Radio Device

Applications

•PCMCIA Cards, PC Express Cards, USB Dongles

•Customer Premises Equipment (CPE)

•Femto Base Stations

Block Diagram

Antenna				1st Order		2nd Order	2nd Order	Radio A
Interface										RXA_I
	2.5GHz			Passive filter		Active Filter	Active Filter
RXA_2G+/-			I			VGA		VGA		RXA_Q
	LNA
			LO							TXA_I
	3.5GHz	0/90		1st Order		2nd Order	2nd Order
				Passive filter						TXA_Q
RXA_3G+/-	Radio Arm A					Active Filter	Active Filter
			Q
	LNA					VGA		VGA
		mixer							ADC
							4th Order
							Active Filter
		2.5GHz			I	TPC			ADC
TXA_2G	Balun	PPA				Attenuator				Analog
		3.5GHz		+	0/90	LO	4th Order		DAC	Baseband
TXA_3G	Balun	PPA					Active Filter			or
					Q	TPC
					mixer	Attenuator			DAC	Digital
										Baseband
									Digital	Interface
									BB Interface
								Radio B
				1st Order		2nd Order	2nd Order		ADC
	2.5GHz			Passive filter		Active Filter	Active Filter
			I			VGA		VGA		DIQ[9:0]
RXB_2G+/-	LNA								ADC
			LO
	3.5GHz	0/90		1st Order		2nd Order	2nd Order
RXB_3G+/-	LNA		Q	Passive filter		Active Filter	Active Filter		DAC
						VGA		VGA
		mixer							DAC
							4th Order
							Active Filter			RXB_I
		2.5GHz			I	TPC
TXB_2G	Balun	PPA				Attenuator				RXB_Q
		3.5GHz		+	0/90	LO	4th Order			TXB_I
TXB_3G	Balun	PPA					Active Filter
					Q
						TPC				TXB_Q
						Attenuator
					mixer
	Radio Calibration and Control					filter			SPI Interface	SPI
								2*F L O /3
TSSIA/B						LO
	TX Envelope	TPC						PLL		XTALO
PA_BIASA/B	Detect	DACs							DCXO
								Div2
PA_CTRLA/B	PA and Switch						FL O /3
		DC Offset
										XTALI
TR_SW_OUT	Control	DACs
	Registers				PM8800 WiZIRD 2x2		Sfreq	Baseband PLL
										CLKOUT

Applications Diagram

BPF	Balun
SPDT
ANT_A
LPF	PA	BPF	Baseband
			I/Q Interface
		PM8800	BaseBand
BPF	Balun	WiZIRD 2x2	MAC
SPDT
ANT_B
		XTAL
LPF	PA	BPF

Corporate Head Office:	Operations Head Office:
PMC-Sierra, Inc.	PMC-Sierra, Inc.
Mission Towers One	100-2700 Production Way
3975 Freedom Circle	Burnaby, BC V5A 4X1 Canada
Santa Clara, CA, 95054, U.S.A.	Tel: 1.604.415.6000
Tel: 1.408.239.8000	Fax: 1.604.415.6200
Fax: 1.408. 492.1157

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: info@pmc-sierra.com. All product documentation is available on our web site at: www.pmc-sierra.com.