Receiver for high frequency electromagnetic oscillations having

Telecommunications – Receiver or analog modulated signal frequency converter – Local control of receiver operation

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329 50, 329122, 331 4, 375 83, 375 97, H04B 126, H03D 302

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active

043132197

ABSTRACT:
A receiver for high frequency electromagnetic oscillations, having frequency readjustment with a voltage-control oscillator, includes a phase control loop for regaining the carrier in the signal path of the receiver. The phase control loop comprises a device for recovering the carrier, a phase-locked loop oscillator and phase detector which receives the output signal of the carrier recovery device and the oscillations of the phase-locked loop oscillator as a reference, and a demodulator which receives the modulated input signal and the output of the phase-locked loop oscillator.

REFERENCES:
patent: 3069625 (1952-12-01), Morita et al.
patent: 3789302 (1974-01-01), Rearwin et al.
patent: 3878527 (1975-04-01), Rensin et al.

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