SA9502 데이터 시트보기 (PDF) - Philips Electronics
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SA9502 Datasheet PDF : 26 Pages
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Philips Semiconductors
Dual-band, CDMA/AMPS downconverter IC
Product specification
SA9502
BLOCK DIAGRAM
RX BPF
Fo = 1960 MHz
BW = 60 MHz
PCS_in 2
2
2
RX BPF
Fo = 881.5MHz
BW = 45 MHz
Cell_in 1
PCS LO
×2
2
1
PCS
1
CELL
2
2
2
1
MODE
SELECT
LOGIC
PCS
CELL
CDMA IF BPF
Fo = 85.38MHz
BW = 1.23MHz
2 CDMA_Out
SA9502
BIAS
CTRL
1
2 FM_Out
FM IF BPF
Fo = 85.38MHz
BW = 30kHz
CDMA/FM
PCS/CELL
LO OUT
LO BUFFER
ENABLE
CEL
LO IN
Figure 1. Block Diagram
VCC
PWR ON/OFF
SR01718
Table 1.
Mode Selection Summary
PCS/CEL (Pin 6)
low
low
high
high
CDMA/FM/LO doubler (Pin 17)
low
high
low
high
MODE
Cellular FM
Cellular CDMA
CDMA PCS, direct LO in
CDMA PCS, LO via frequency doubler
1999 Mar 19
3
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