Compensated transformer circuit utilizing negative capacitance s

Details Compensated transformer circuit utilizing negative capacitance s Compensated transformer circuit utilizing negative capacitance s

1975-06-02

1976-12-14

Gensler, Paul L.

Wave transmission lines and networks

Coupling networks

Nonreciprocal gyromagnetic type

333 80R, 323 44R, 323 48, H03H 700, H03H 1100

Patent

active

RE0290807

ABSTRACT:
A circuit for reducing or eliminating the effect of the stray capacitance of the windings of a transformer on signals coupled through that transformer. Circuitry is provided for generating voltages and currents which simulate the presence of a negative capacitance and for coupling those voltages and currents to a transformer in cancelling relationships to the stray capacitance thereof. Circuitry is also provided for imposing an upper frequency limit beyond which capacitance cancellation will not occur. The upper frequency limit stabilizes the circuitry and allows signal transmission to be limited to a predetermined desired band of frequencies.

REFERENCES:
patent: 2891214 (1959-06-01), Rogers et al.
patent: 2944207 (1960-07-01), Rogers et al.
patent: 3013225 (1961-12-01), Ouchi
patent: 3474355 (1969-10-01), Schlichte
patent: 3546565 (1970-12-01), Downing, Jr. et al.
patent: 3684948 (1972-08-01), Eissmann
patent: 3828281 (1974-08-01), Chambers, Jr.
patent: 3881149 (1975-04-01), Kiko

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