CMX138A Datasheet - Consumer Microcircuits Limited

CMX138A Audio Scrambler and Sub-Audio Signalling Processor

The CMX138A is a half-duplex, audio scrambler and sub-audio signalling processor IC for Analogue Twoway Radio applications. This makes it a suitable device for the leisure radio markets (FRS, MURS, PMR446 and GMRS). This device provides a user programmable frequency inversion audio scrambler, compan.

CMX138A Features

* Programmable Audio Scrambler

* Concurrent Audio/Signalling Operations

* Full Audio-band Processing: Pre and De-emphasis, Compandor, Scrambler and Selectable 2.55/3 kHz Filters

* Auxiliary ADC and Auxiliary DAC

* Selectable Audio Processing Order

* Sub-audio Signalling: CTC

CMX138A-ConsumerMicrocircuitsLimited.pdf