Arrangement for simultaneously producing signals having an incre

Details Arrangement for simultaneously producing signals having an incre Arrangement for simultaneously producing signals having an incre

1974-12-19

1976-06-08

Kominski, John

Oscillators

Automatic frequency stabilization using a phase or frequency...

Plural oscillators controlled

325334, 331 1A, 331 4, 331178, H03B 304

Patent

active

039626539

ABSTRACT:
An arrangement for simultaneously producing signals having a decreasing frequency and signals having an increasing frequency. In this arrangement the signals have frequencies which are complementary relative to the double value of a central frequency. The arrangement includes a pair of voltage-controlled oscillators controlled by signals supplied by a control generator. The arrangement is characterized in that for each oscillator there is provided with a phase control loop and that the control generator is of the digital type designed to supply two pairs of digital signals. One pair is applied to the frequency dividers and the other is applied to the oscillators so as to tune them to such a frequency that they are in the operating range of the phase control loop.
Use: Radio-electric transmission of data.

REFERENCES:
patent: 3588730 (1971-06-01), Schreuer
patent: 3588732 (1971-06-01), Tollefson
patent: 3764933 (1973-10-01), Fletcher
patent: 3798553 (1974-03-01), Sakamoto

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