CMX264 Datasheet | Consumer Microcircuits Limited

Frequency Domain Split Band Scrambler D/CMX264/1 August 1999 Advance Information 1.0 Features - Ensures Privacy - - - - Full Duplex High Quality Recovered Audio Low Height, Surface Mount Package 3.0V, Low Power Operation - - - - - Fixed or Rolling Code Standby Mode Uses Split Band Inversion Low Current, Low Voltage 4.433619MHz Operation Brief Description The CMX264 is a frequency domain scrambler for use in analogue cellular phone systems. It contains separate Tx and Rx paths for full duplex operation and operates under µProcessor control via a simple serial interface. In the Tx path, scrambling is achieved by splitting the audio band into two parts, or sub-bands, and...