System for producing an oscillating jamming signal utilizing a p

Details System for producing an oscillating jamming signal utilizing a p System for producing an oscillating jamming signal utilizing a p

1993-04-20

1994-11-22

Mis, David

Oscillators

Automatic frequency stabilization using a phase or frequency...

With intermittent comparison controls

331 2, 331 17, 331179, 380 7, 455 1, H03L 706, H03L 708, H03L 716, H04K 300

Patent

active

053672690

ABSTRACT:
A system for producing an oscillating signal includes a phase-locked loop including a control voltage producing circuit. The control voltage producing circuit is provided for producing a plurality of predetermined control voltages, with each of the predetermined control voltages corresponding to a desired frequency. A plurality of memories are provided in the phase-locked loop for storing the predetermined control voltages. A control device is connected to the plurality of memories for storing the predetermined control voltages in the memories in a state where the phase-locked loop is closed, and for deriving at least one of the predetermined control voltages stored in the memories in a state where the phase-locked loop is opened. A voltage-control oscillator is provided in the phase-locked loop to be operated by the predetermined control voltage derived from one of the memories for producing the oscillating signal having a desired frequency dependent upon the desired voltage.

REFERENCES:
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patent: 4410860 (1983-10-01), Kipp et al.
patent: 4453136 (1984-06-01), Kelland
patent: 4510461 (1985-04-01), Dickes et al.
patent: 4629999 (1986-12-01), Hatch et al.
patent: 4677394 (1987-06-01), Vollmer
patent: 4912760 (1990-03-01), West, Jr. et al.
patent: 4980652 (1990-12-01), Tarusawa

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