Radar receiver local oscillator control circuit

Details Radar receiver local oscillator control circuit Radar receiver local oscillator control circuit

1978-06-05

1980-10-14

Moskowitz, Nelson

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

331 10, 331 14, 331 18, G01S 1300

Patent

active

042284341

ABSTRACT:
An improved automatic frequency control arrangement for a missile-borne inverse receiver is shown to include a reference oscillator and a voltage-controlled oscillator with control means for the latter, such means including a frequency-to-voltage converter responsive to the difference frequency between the two oscillators so that the latter may produce a signal representative of the Doppler shift frequency of a target. A starting circuit is also shown to ensure that the frequency of the reference oscillator is always lower than the frequency of the voltage-controlled oscillator.

REFERENCES:
patent: 3569965 (1971-03-01), Bagley

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