Solid state tunable capacitor

Details Solid state tunable capacitor Solid state tunable capacitor

1978-06-05

1979-05-22

Wojciechowicz, Edward J.

357 14, 357 23, 357 54, H01L 2702

Patent

active

041562496

ABSTRACT:
A semiconductor tunable capacitor is described. This tunable capacitor employs a plurality of metal-insulator-semiconductor (MIS) capacitive segments and each element has a first and a second value of capacitance. The solid state capacitor employs a plurality of tuning terminals and a single capacitor terminal. Tuning signals are applied to each of the tuning terminals for switching that capacitive segment into its high or low capacitive state. The capacitor terminal is capacitively connected to each capacitive segment and is employed for summing the individual values of capacitance into a total value of capacitance. An MNOS capacitor is shown as the preferred embodiment.

REFERENCES:
patent: 3890631 (1975-06-01), Tiemann
patent: 3906539 (1975-09-01), Sauermann et al.

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