ADF4602 Datasheet, PDF (1/36 Pages) Analog Devices – Single-Chip, Multiband 3G Femtocell Transceiver

Single-Chip, Multiband 3G Femtocell
Transceiver
ADF4602
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
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
APPLICATIONS
3G home basestations (femtocells)
3G repeaters
FUNCTIONAL BLOCK DIAGRAM
ADF4602
Tx_PWR_CONTROL
TXLBRF
Tx_PWR_
CONTROL
TXHBRF
Tx_PWR_
CONTROL
LO GENERATOR
Tx_PWR_CONTROL
Tx PLL
LOOP
FILTER
FRAC N
SYNTHE-
SIZER
RXHB1RF
RXHB2RF
LO GENERATOR
Rx PLL
LOOP
FILTER
FRAC N
SYNTHE-
SIZER
Rx_LO_LB
SELECTABLE BANDWIDTH
BASEBAND FILTERS
I
CHAN-
NEL
DC OFFSET
CORRECTION
RXLBRF
Q
CHAN-
NEL
Rx_LO_LB
DC OFFSET
CORRECTION
26MHz 19.2MHz
SERIAL
INTER-
FACE
VDD LDO1 LDO2 LDO3 LDO4 LDO5
TXBBIB
TXBBI
TXBBQ
TXBBQB
VSUP7
VSUP6
RXBBI
RXBBIB
RXBBQ
RXBBQB
REFIN
VSUP8
Figure 1.
Rev. 0
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