sa9502 NXP Semiconductors, sa9502 Datasheet - Page 3

• Manufacturer Part Number: sa9502
• Description: Dual-band, Cdma/amps Downconverter Ic
• Manufacturer: NXP Semiconductors

Philips Semiconductors
BLOCK DIAGRAM
Table 1.
1999 Mar 19
Dual-band, CDMA/AMPS downconverter IC
Mode Selection Summary
PCS/CEL (Pin 6)
RX BPF
Fo = 1960 MHz
BW = 60 MHz
RX BPF
Fo = 881.5MHz
BW = 45 MHz
PCS LO
high
high
low
low
PCS_in
Cell_in
CDMA/FM
2
1
PCS
SELECT
MODE
LOGIC
1
PCS/CELL
CELL
1
2
2
CDMA/FM/LO doubler (Pin 17)
Figure 1. Block Diagram
LO OUT
1
2
2
2
2
LO BUFFER
ENABLE
high
high
low
low
3
2
LO IN
CEL
1
PCS
SA9502
CTRL
BIAS
V
CC
CELL
Cellular FM
Cellular CDMA
CDMA PCS, direct LO in
CDMA PCS, LO via frequency doubler
PWR ON/OFF
2
2
CDMA_Out
FM_Out
CDMA IF BPF
Fo = 85.38MHz
BW = 1.23MHz
FM IF BPF
Fo = 85.38MHz
BW = 30kHz
MODE
Product specification
SA9502
SR01718