Single-Chip, Multiband 3G Femtocell
Transceiver
ADF4602
FUNCTIONAL BLOCK DIAGRAM
FEATURES
Single-chip multiband 3G transceiver
3GPP 25.104 release 6 WCDMA/HSPA compatible
UMTS band coverage
Local area Class BS in Band 1 to Band 6 and Band 8 to
Band 10
Direct conversion transmitter and receiver
Minimal external components
ADF4602
Tx_PWR_CONTROL
TXBBIB
TXBBI
TXLBRF
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
TXBBQ
TXBBQB
Tx_PWR_
CONTROL
Tx_PWR_CONTROL
TXHBRF
Tx_PWR_
Tx PLL
CONTROL
FRAC N
SYNTHE-
SIZER
VSUP7
VSUP6
LOOP
FILTER
LO GENERATOR
Rx PLL
FRAC N
SYNTHE-
SIZER
LOOP
FILTER
LO GENERATOR
Rx_LO_LB
SELECTABLE BANDWIDTH
BASEBAND FILTERS
RXHB1RF
RXHB2RF
RXBBI
APPLICATIONS
I
RXBBIB
CHAN-
NEL
3G home basestations (femtocells)
3G repeaters
DC OFFSET
CORRECTION
RXBBQ
RXLBRF
Q
RXBBQB
CHAN-
NEL
DC OFFSET
CORRECTION
Rx_LO_LB
REFIN
26MHz 19.2MHz
SERIAL
INTER-
FACE
VSUP8
VDD
LDO1 LDO2 LDO3 LDO4 LDO5
Figure 1.
Rev. 0
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