Datasheet Details
| Part number | CMX148 |
|---|---|
| Manufacturer | Consumer Microcircuits Limited |
| File Size | 1.88 MB |
| Description | PMR Audio and Data Processor |
| Datasheet |
 CMX148 Datasheet
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General Description
The CMX148 is a half-duplex, audio, signalling and data processing IC for use in PMR systems that utilise the host µC to perform signalling, including CTCSS/DCS encoding/decoding.
The device is intended for use in general leisure and professional PMR terminals.
Key Features
- Concurrent Audio/Signalling/Data Operations.
- Complete Audio-band Processing: o Selectable Audio Processing Order o Pre and De-emphasis o Selectable 2.55/3.0 kHz Filtering o Selectable Audio HPF Cut-off o Compandor o Limiter.
- Programmable Voice Scrambler.
- MSK/FFSK Data Modem with Packet or Freeformat Modes with FEC, CRC, Interleaving and Scrambling.
- DTMF and Audio Tone Encoder/Decoder.
- Routing to Support Host µController Signalling.