SA1620 Datasheet, PDF (3/26 Pages) NXP Semiconductors – Low voltage GSM front-end transceiver

Philips Semiconductors
Low voltage GSM front-end transceiver
BLOCK DIAGRAM
Product specification
SA1620
PDTx
PONRx
PONBUF
TxO
TxOX
RETx
A
B
BANDGAP
BIAS SUPPLIES
VOLTAGE REGULATORS
SINGLE
SIDEBAND
MIXER
LINEAR
IF LEVEL
CONTROL
VREG2
VREG2F2
GNDREG2
GNDREG1
VREG1
V_CCTx1
V_CCTx2
TxIF
TxIFX
ATTENUATION
CONTROL LOGIC
BUFFER
TLO
TLOX
LO INPUT
BUFFER
BUFFER
LO IN
LO INX
V_CCL1
V_CCL2
IN1
LNA1
LNA2
RxIF
RxIFX
1997 May 22
Figure 2. Block Diagram
3
SR00129