PPM demodulation device

Details PPM demodulation device PPM demodulation device

1996-09-25

1997-11-25

Mis, David

Demodulators

Pulse or interrupted continuous wave demodulator

Pulse position, frequency, phase or spacing demodulator

375239, H03K 904

Patent

active

056916655

ABSTRACT:
A clock reproduction unit provides a reproduced clock signal from a received PPM signal. The results of sampling the PPM signal with a reproduced clock signal is held by a sample result holding unit. Symbol synchronization is achieved from a received PPM signal by a symbol synchronizing signal generation unit. According to the sample result, the reproduced clock signal, and symbol synchronization, a reception data reproduction unit analyzes the result of a plurality of previous samples to decode reception data according to a specific procedure.

REFERENCES:
patent: 4627075 (1986-12-01), Fleming, III et al.
M. Shimizu, PPM Demodulation Circuit, Japanese Laid-Open Patent Publication #63-99621, Pub. Date Apr. 30, 1988. No 45.

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