Single-Chip, Multiband 3G Femtocell
Transceiver
ADF4602
APPLICATIONS
3G home base stations (femtocells)
ADF4602
GPO
1 TO 4
DAC2
DAC2
GPO[4:1]
FUNCTIONAL BLOCK DIAGRAM
DAC1
Single-chip, multiband 3G transceiver
3GPP 25.104 release 9 WCDMA/HSPA compatible
UMTS band coverage
Local area Class BS in Band I to Band VI and Band VIII to
Band X
Direct conversion transmitter and receiver
Minimal external components
Integrated, multiband, multimode monitoring
No Tx SAW or Rx interstage SAW filters
Integrated power management (3.1 V to 3.6 V supply)
Integrated synthesizers, including PLL loop filters
Integrated PA bias control DACs/GPOs
WCDMA and GSM receive baseband filter options
Easy-to-use with minimal calibration
Automatic Rx DC offset control
Simple gain, frequency, mode programming
Low supply current
50 mA typical Rx current
50 mA to 100 mA Tx current (varies with output power)
6 mm × 6 mm 40-pin LFCSP package
DAC1
FEATURES
Tx_PWR_CONTROL
TXBBIB
TXBBI
TXLBRF
TXBBQ
TXBBQB
Tx_PWR_
CONTROL
Tx_PWR_CONTROL
TXHBRF
Tx_PWR_
CONTROL
Tx PLL
LOOP
FILTER
LO GENERATOR
FRAC N
SYNTHESIZER
VSUP7
Rx PLL
LOOP
FILTER
LO GENERATOR
FRAC N
SYNTHESIZER
VSUP6
Rx_LO_LB
SELECTABLE BANDWIDTH
BASEBAND FILTERS
RXHB1RF
RXBBI
RXBBIB
I
CHANNEL
RXHB2RF
DC OFFSET
CORRECTION
RXBBQ
RXLBRF
Q
CHANNEL
RXBBQB
DC OFFSET
CORRECTION
Rx_LO_LB
REFIN
26MHz 19.2MHz
SERIAL
INTERFACE
CHIPCLK
VINT
REFCLK
SEN
SCLK
SDATA
VSUP5
VSUP4
VSUP3
VSUP2
07092-001
VSUP8
LDO1 LDO2 LDO3 LDO4 LDO5
VSUP1
VDD
Figure 1.
Rev. A
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