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SA638 - IS-54 IF receiver

General Description

The SA638 is an IF receiver chip which serves the dual mode functionality required by the IS

54 standards for North American cellular telephones.

Key Features

  • ES RSSI OUT POWER DOWN.

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Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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Philips Semiconductors Preliminary specification IS-54 IF receiver SA638 DESCRIPTION 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 functions in a monolithic BiCMOS Integrated Circuit housed in a compact SSOP–24 plastic package.