Phase loop demodulator

Details Phase loop demodulator Phase loop demodulator

1990-12-13

1991-12-10

Pascal, Robert J.

Demodulators

Frequency modulation demodulator

Input signal combined with local oscillator or carrier...

331 10, H03D 300

Patent

active

050721925

ABSTRACT:
A phase loop demodulator, in particular for space telecommunications, comprises a primary phase loop, a locking detector circuit responsive to acquisition by the primary loop, and a secondary phase loop controlled by said detector circuit.

REFERENCES:
patent: 3710261 (1973-01-01), Low et al.
patent: 3909735 (1975-09-01), Anderson et al.
Patent Abstracts of Japan, vol. 9, No. 277 (E-355) [2000], Nov. 6, 1985; & JP-A-60 120 619 (Sony K.K.) 6/28/85.
Patent Abstracts of Japan, vol. 10, No. 24 (E-377) [2081], Jan. 30, 1986; & JP-A-60 182 820 (Fujitsu K.K.) 9/18/85.

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