Oscillators – With frequency adjusting means – With voltage sensitive capacitor
Patent
1994-12-28
1996-04-23
Mis, David
Oscillators
With frequency adjusting means
With voltage sensitive capacitor
331108R, 333214, H03B 500, H03H 1148
Patent
active
055107559
ABSTRACT:
A voltage-controlled capacitor includes a multiplier, having an output which serves as terminals of the controlled capacitor. The output voltage of the multiplier is applied to a reference capacitor. A signal in phase with the current in the reference capacitor is applied at one input of the multiplier, the other input of the multiplier receiving a signal determining the value of the controlled capacitor.
REFERENCES:
patent: 3702405 (1972-11-01), Zwirn et al.
patent: 4638265 (1987-01-01), Lunn et al.
patent: 5012201 (1991-04-01), Morita et al.
patent: 5166560 (1992-11-01), Liu
Dufossez Vincent
Kodrnja Marc
Anastasi John N.
Driscoll David M.
Mis David
Morris James H.
SGS-Thomson Microelectronics S.A.
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