Capacitance circuit

Details Capacitance circuit Capacitance circuit

1973-10-04

1976-06-08

Larkins, William D.

Amplifiers

Signal feedback

Combined with control of bias voltage of signal amplifier

330 32, 357 13, 357 14, 357 51, H01L 2704

Patent

active

039627187

ABSTRACT:
In a capacitance circuit having a capacitance element which exhibits a breakdown characteristic and which generates noises at breakdown, the improvement comprising a constant-voltage element, which has a lower breakdown voltage than the capacitance element and a lower noise level than the capacitance element in the state of breakdown, connected in parallel with the capacitance element. The voltage across the capacitance element is clamped at the breakdown voltage of the constant-voltage element, so that the capacitance element is prevented from breaking down and thus generating noise components.

REFERENCES:
patent: 3581164 (1971-05-01), Pfander et al.
patent: 3584266 (1971-06-01), Schilling
patent: 3677838 (1972-07-01), DeBrebisson
patent: 3723830 (1973-03-01), Frederiksen et al.
Gates et al., "Capacitor-Extended Subcollector...", IBM Tech. Discl. Bulletin, vol. 14, No. 5, Oct. 1971, pp. 1652-1653.
Gay et al., "Capacitors for Monolithic Integrated Circuits", SCP and Solid State Technology, Apr. 1966, pp. 24-27.

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