Substrate bias circuit

Details Substrate bias circuit Substrate bias circuit

1992-01-29

1993-04-13

Sikes, William L.

Electrical transmission or interconnection systems

Nonlinear reactor systems

Parametrons

3072968, H03K 301

Patent

active

052025888

ABSTRACT:
There is disclosed a substrate bias circuit including an oscillation circuit oscillating at a predetermined frequency; a control signal generation circuit operative to generate a control signal for changing, on the basis of an output from the oscillation circuit, a substrate potential in a direction to ensure a threshold level of a transistor so that it becomes greater; and a charge pump circuit including a capacitor and operative to control discharge of the capacitor by said control signal to thereby change the substrate potential.

REFERENCES:
patent: 4229667 (1980-10-01), Heimbigner et al.
patent: 4471290 (1984-09-01), Yamaguchi
patent: 4628214 (1986-12-01), Lenschner
patent: 4705966 (1987-11-01), Van Zanten
patent: 4740715 (1988-04-01), Okada

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