Oscillator apparatus adapted to lock onto a single pulse of radi

Details Oscillator apparatus adapted to lock onto a single pulse of radi Oscillator apparatus adapted to lock onto a single pulse of radi

1977-07-11

1978-07-18

Grimm, Siegfried H.

Oscillators

Automatic frequency stabilization using a phase or frequency...

Plural a.f.s. for a single oscillator

325341, 325419, 331 14, 331 17, 331 25, H03B 304

Patent

active

041018443

ABSTRACT:
A variable oscillator controlled by a phase-locked loop to lock on to a received pulse of radio frequency waves, sample and hold circuitry sampling the control signal in the loop and storing the signal, and a timed switch disconnecting the oscillator from the loop and connecting it to the sample and hold circuit after a predetermined period of time so that the oscillator is locked on to the radio frequency after the single pulse ceases.

REFERENCES:
patent: 3568085 (1971-03-01), Pimenoff
patent: 3573649 (1971-04-01), West
patent: 3882412 (1975-05-01), Apple, Jr.

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