Figure 1 PMC-Sierra

Figure 1: Common Designs for Femtocell Base Station and Mobile Station

Femtocell

NIC or USB Dongle

CPE

MIISDIO

USB 2.0

to antenna

to antenna

IQ interfaceBB/MAC

WiZIRD 2Tx/2Rx Reference Design

Figure 2 PMC-Sierra

LATIN AMERICA

MIDDLE EAST& AFRICA

2.3, 2.5, 3.5 GHz

CANADA

2.3, 2.5, 3.7 GHz

USA

2.5, 3.5 GHz

3.5 GHz 2.3, 2.5, 3.3,3.5 GHz

ASIA PACIFIC

2.3, 2.5, 3.5 GHz

RUSSIA

2.5, 3.5 GHz

EUROPE

INDIA

2.5, 3.5 GHz

2.5, 3.5 GHz

CHINA

Figure 2: WiZIRD Supports Popular Global Licensed Radio Spectra

WiZIRD Supports2.3 GHz to 2.7 GHz3.3 GHZ to 3.8 GHz

Figure 3 PMC-Sierra

Test LogicStatus and ControlSPI

InterfaceDCXO

PLL LO

filter2*FLO/3

FLO/3

BasebandPLL Sfreq

Digital Core

ECBICnt

InterfaceCnt

InterfaceCnt

RadioCalibration

Tx EnvelopeDetector

DC OffsetDACs

TPCDACs

IQ

Transmit A

Transmit B

IQ

Digital Baseband Interface

IQ

IQ

SP

I

Register ControlBlock

DCBIAS

I/Q Rx

I/Q Rx

VGA

VGA

VGA

VGA

mixer

mixer

VGA

VGA

VGA

VGA

LO

LO

PPA

PPA

+

+

LO

LO

mixer

mixer

ADC

ADC

ADC

ADC

DAC

DAC

DAC

DAC

Sfreq

Sfreq

Sfreq

Sfreq

1st Order

1st Order

Passive filter

Passive filter

2nd Order

2nd Order

Active Filter

Active Filter

2nd Order

2nd Order

Active Filter

Active Filter

TPC

TPC

Attenuator

Attenuator

TPC

TPC

Attenuator

Attenuator

PPA

PPA

3.5GHz

2.5GHz

PM8800 WiZIRD™ 2X2

4th Order

4th Order

Active Filter

Active Filter

Div 2

IQ interface

3.5GHz

2.5GHz

2.5GHz

Balun

Balun

Receive A

LNA

LNA

3.5GHzReceive B

Balun

Balun

LNA

3.5GHz

2.5GHz

LNA

Figure 3: WiZIRD 2Tx/2Rx Block Diagram (PM8800)

Figure 4 PMC-Sierra

Figure 4: WiZIRD 1Tx/2Rx Block Diagram (PM8801)

PM8801 WiZIRD™ 1X2

Receive A

Transmit A

Receive B

VGA

VGA

VGA

VGA

mixer

mixer

VGA

VGA

VGA

VGA

LO

LO

PPA

+ LO

mixer

1st Order

1st Order

Passive filter

Passive filter

2nd Order

2nd Order

Active Filter

Active Filter

2nd Order

2nd Order

Active Filter

Active Filter

TPCAttenuator

TPCAttenuator

PPA

4th OrderActive Filter

Test LogicStatus and ControlSPI

InterfaceDCXO

PLL LO

filter2*FLO/3

FLO/3

BasebandPLL Sfreq

RadioCalibration

Tx EnvelopeDetector

DC OffsetDACs

TPCDACs

SP

I

Register ControlBlock

DCBIAS

Div 2

3.5GHz

2.5GHz

LNA

LNA

3.5GHz

2.5GHz

LNA

LNA

Balun

Balun

3.5GHz

2.5GHz

Receive B -IQ

Receive A -IQ

Transmit A - IQ

Figure 5 PMC-Sierra

Macrocell

Microcell

Picocells

SubscriberDevices

Femtocell

Figure 5: Extend Range, Rate and Roaming Architecture (EXTRRRA)

Figure 6 PMC-Sierra

Figure 6: Increase Peak Data Rate with MIMO Support

Subscriber StationWave2+ 2T x 2R

PM8800 WiZIRD 2x2

Base Station2T x 2R

PM8800 WiZIRD 2x2Subscriber Station

Wave2 1T x 2RPM8801 WiZIRD 1x2