figure 1: common designs for femtocell base station and...
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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)