Miniaturized pulse code modulation encoder

Details Miniaturized pulse code modulation encoder Miniaturized pulse code modulation encoder

2007-09-11

2007-09-11

Payne, David C. (Department: 2611)

Pulse or digital communications

Pulse code modulation

Reexamination Certificate

active

10914778

ABSTRACT:
A PCM encoder which receives asynchronous serial data and incorporating the serial data and eight channels of analog data into a PCM data stream. The encoder includes a microprocessor which processes the serial data provided in eight bit digital words and the analog data which the microprocessor converts to twelve bit digital words. The encoder also has a programmable gate array which receives six bits of data during each transfer of data from the microprocessor to the gate array. The gate array for the PCM encoder also receives a Frame Sync, and then processes the data to provide a data stream containing NRZL data and Bi Phase data.

REFERENCES:
patent: 6564146 (2003-05-01), Meyer et al.

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