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MAS9191A - Single Chip AMPS/ETACS/NAMPS Audio/Data Processor

Description

The MAS9191A is a high integration BeCMOS IC for implementing the audio and data signal processing in AMPS, ETACS or NAMPS cellular phones.

Features

  • Voice signal processing including compressor, expander, de-emphasis and pre-emphasis filters and digital gain adjustments DTMF and ST generators and DTMF receiver Busy/Idle extraction and arbitration with TX block, voting, BCH, data buffering and framing, DCC coding with hardware Three 8-bit DACs and two operational amplifiers On-chip oscillator with clock output for uP 3.3V or 5V operation with low power consumption(RX block.

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Datasheet Details

Part number MAS9191A
Manufacturer MAS
File Size 463.77 KB
Description Single Chip AMPS/ETACS/NAMPS Audio/Data Processor
Datasheet download datasheet MAS9191A Datasheet

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Full PDF Text Transcription

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www.DataSheet4U.com DA9191A.000 July 31, 1997 MAS9191A Single Chip AMPS/ETACS/NAMPS Audio/Data Processor • • • • DESCRIPTION The MAS9191A is a high integration BeCMOS IC for implementing the audio and data signal processing in AMPS, ETACS or NAMPS cellular phones. The power consumption of the device is very low due to several automatic and software controlled power down modes as well as the low power characteristics of the BeCMOS process. DTMF receiver is also included to enable answering machine functions for the cellular phone. Only a minimal number of external components are needed to meet typical baseband requirements.
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