CMX138A: Audio Scrambler and Sub-audio Signalling Processor

CML Microcircuits,a leading innovator and provider of low-power semiconductors for global wireless and wireline communications markets, has announced the launch of a new Audio Scrambler and Sub-audio Signalling Processor to it’s family of analogue two-way radio ICs

The CMX138A is a half-duplex audio scrambler and sub-audio signalling processor for analogue two-way 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 with compander and pre/de-emphasis - performing simultaneous processing of sub-audio and in-band signalling.

Other features include: an auxiliary ADC channel and an auxiliary DAC interface (with optional RAMDAC) to facilitate transmitter power ramping. The device has flexible powersaving modes and is available in a 28-pin (E1) TSSOP package. 

More info