Voltage controlled oscillator

Oscillators – Relaxation oscillators

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Details

331177R, H03K 335

Patent

active

046315012

ABSTRACT:
A voltage controlled oscillator circuit is provided wherein the frequency of the output is increased or decreased by a .+-.DC control voltage centered at 0 VDC. The output of the oscillator has a constant on/off ratio and the ratio holds constant over the frequency control range.

REFERENCES:
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patent: 3742379 (1973-06-01), McLean
patent: 3835402 (1974-09-01), Kublick
patent: 3857110 (1974-12-01), Grebene
patent: 3902139 (1975-08-01), Harrell
patent: 3906391 (1975-09-01), Murdock
patent: 3916342 (1975-10-01), Higuchi et al.
patent: 3996531 (1976-12-01), Witllinger
patent: 4264879 (1981-04-01), Duley
patent: 4267527 (1981-05-01), Petrizio et al.

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