MSK demodulator using one synchronous detector

Details MSK demodulator using one synchronous detector MSK demodulator using one synchronous detector

1992-08-27

1994-01-11

Grimm, Siegfried H.

Demodulators

Frequency shift keying or minimum shift keying demodulator

Input signal combined with local oscillator or carrier...

329303, 375 80, 375 90, H04L 2714

Patent

active

052785149

ABSTRACT:
An MSK signal demodulating circuit including a carrier reproducing circuit for reproducing a carrier phase-synchronized with a component of a mark frequency or a space frequency of an MSK signal, a detector for performing synchronous detection of the MSK signal by means of the reproduced carrier, an identification circuit for converting an analog output from this detector into serial digital data, and a serial-parallel conversion circuit for converting the serial digital data into I, Q parallel data.

REFERENCES:
patent: 4647864 (1987-03-01), Rafferty et al.
patent: 4878029 (1989-10-01), Saulnier et al.
patent: 5048058 (1991-09-01), Kaleh
patent: 5170131 (1992-12-01), Takahiro et al.
IEEE Transactions on Communications, vol. 31, No. 2, Feb. 1983, New York, pp. 290-295, McLane: "The Viterbi Receiver for Correlative Encoded MSK Signals".
Kameda et al, "A Multi-Channel PCM Sound Receiver For Satellite Broadcasting", IEEE Transactions on Consumer Electronics, vol. 37, No. 3, Aug. 1991, pp. 723-730.

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