SA638 receiver equivalent, is-54 if receiver.
RSSI OUT POWER DOWN CONTROL DATA OUT POSTAMP IN POSTAMP OUT SWITCH CONTROL
UPDATE for 638
SR00907
Figure 1. Pin Configuration
ORDERING INFORMATION
DESCRIPTION 24-Pin .
XTAL OSC (BASE) VCC RSSI FEEDBACK
*
*
FEATURES
RSSI OUT POWER DOWN CONTROL DATA OUT POSTAMP IN POSTAMP OUT S.
The SA638 is an IF receiver chip which serves the dual mode functionality required by the IS
–54 standards for North American cellular telephones. It provides for both the analog FM (AMPS mode) and DQPSK (TDMA digital mode) IF receive .
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