Frequency converter

Details Frequency converter Frequency converter

1975-04-25

1977-08-02

Lynch, Michael J.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

357 34, 357 89, 307273, 307304, 328 20, 331 52, 331 53, H01L 2978

Patent

active

040400751

ABSTRACT:
A frequency converter utilizing a novel four terminal semiconductor device having an emitter grounded current amplification characteristic which is V-shaped wherein the gate terminal of the four terminal device is biased to the low point of the emitter grounded current amplification characteristic and wherein a signal which varies in time is applied to the gate terminal to cause the emitter grounded current amplification factor to fluctuate at both sides of its low point. A tuning circuit is provided in series with the emitter-collector terminals of the four terminal device and is tuned to twice the frequency of the input signal applied to the gate terminal.

REFERENCES:
patent: 3204160 (1965-08-01), Sah
patent: 3289009 (1966-11-01), Gruodis
patent: 3335290 (1967-08-01), Fischman et al.
patent: 3397326 (1968-08-01), Gallagher et al.
patent: 3398297 (1968-08-01), Huen
patent: 3639853 (1972-02-01), Sakai
patent: 3663869 (1972-05-01), Strull

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