CMX264 - Consumer Microcircuits Limited

CMX264 Frequency Domain Split Band Scrambler

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 frequency inverting each one. The frequ.

Features

• Ensures Privacy
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• Full Duplex High Quality Recovered Audio Low Height, Surface Mount Package 3.0V, Low Power Operation
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• Fixed or Rolling Code Standby Mode Uses Split Band Inversion Low Current, Low Voltage 4.433619MHz Operation 1.1 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 frequenc.