FX803 Signalling Processor


Posted on Feb 5, 2014

The CMX469A is a single-chip CMOS LSI circuit which operates as a full-duplex 1200, 2400 or 4800 baud FFSK/MSK modem. The mark and space frequencies are 1200/1800, 1200/2400 and 2400/4800 Hz respectively. Tone frequencies are phase continuous; transitions occur at the zero crossing point. A common Xtal Oscillator with a choice of two Clock frequen


FX803 Signalling Processor
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cies (1. 008MHz or 4. 032MHz) provides baud-rate, transmit frequencies, and Rx and Tx synchronization. By Consumer Microcircuits Limited




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