SA1638 Datasheet, PDF (3/26 Pages) NXP Semiconductors – Low voltage IF I/Q transceiver

Philips Semiconductors
Low voltage IF I/Q transceiver
BLOCK DIAGRAM
Product specification
SA1638
PONRx
V _REF
PDTx
TxIFOUT
TxIFOUTX
V_CCTxRx
GND3
GND1
RxIF IN
RxIF INX
GND2
LO IN
LO INX
ADJ IN
LOCK
CP
I_REF
PONPLL
V_CCCP
V_EECP
BIAS RX
BIAS TX
IF
AMP
÷2
CHARGE
PUMP
V.REG.1
BUFFERS
÷N
PHASE
DETECTOR
÷ _{13, 26}
39, 52
DC
ADJUST
DC
REGISTER
TEST
REGISTER
SYNTH
REGISTER
V.REG.2
ITx IN
ITx INX
QTx IN
QTx INX
IRxOUT
IRxOUTX
QRxOUT
QRxOUTX
STATUS
REGISTER
DCRES
AOUT
BOUT
SERIAL
INPUT
1997 Sept 03
Figure 2. SA1638 Block Diagram
3
SR00525