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CMX469A - 1200/2400/4800 Baud FFSK/MSK Modem

General Description

The CMX469A is a single-chip CMOS LSI circuit which operates as a full-duplex 1200, 2400 or 4800 baud FFSK/MSK modem.

The mark and space frequencies are 1200/1800, 1200/2400 and 2400/4800 Hz respectively.

Tone frequencies are phase continuous; transitions occur at the zero crossing point.

Key Features

  • Full-Duplex FFSK/MSK Modem with Separate Rx and Tx Enable Functions.
  • Pin Selectable Data Rates: 1200, 2400 or 4800 Baud.
  • Pin Selectable Xtal/Clock Inputs: 1.008MHz or 4.032MHz.
  • Clock Recovery Facility.
  • Carrier Detect Facility.
  • Low Power Operation (2.0mA typ. at 3.0V).

📥 Download Datasheet

Datasheet Details

Part number CMX469A
Manufacturer CML
File Size 713.98 KB
Description 1200/2400/4800 Baud FFSK/MSK Modem
Datasheet download datasheet CMX469A Datasheet

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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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CML Microcircuits COMMUNICATION SEMICONDUCTORS CMX469A 1200/2400/4800 Baud FFSK/MSK Modem D/469A/3 June 2009 Features • Full-Duplex FFSK/MSK Modem with Separate Rx and Tx Enable Functions • Pin Selectable Data Rates: 1200, 2400 or 4800 Baud • Pin Selectable Xtal/Clock Inputs: 1.008MHz or 4.032MHz • Clock Recovery Facility • Carrier Detect Facility • Low Power Operation (2.0mA typ. at 3.0V) Applications • Data-Over Radio • Personal/Cordless Telephone • Radio and General Applications • Narrowband Coax Data Channels • Two Way Radio (MPT1327) Signalling • Portable Data Terminals 1.1 Brief Description The CMX469A is a single-chip CMOS LSI circuit which operates as a full-duplex 1200, 2400 or 4800 baud FFSK/MSK modem.