DC Level clamping circuit

Details DC Level clamping circuit DC Level clamping circuit

1978-09-26

1979-12-11

Mullins, James B.

Amplifiers

With d.c. reinsertion circuit

307237, 330 69, 330252, 358 34, 358172, H03F 2100

Patent

active

041785584

ABSTRACT:
A DC level clamping circuit comprising a differential amplifier circuit constituted by a pair of transistors, a signal source, a first capacitor connected between the signal source and a first input terminal of the amplifier circuit, a second capacitor connected between the ground and a second input terminal of the amplifier circuit and having substantially the same capacity as the first capacitor, a pulse generator, a DC power source and first and second switching elements. The first switching element is connected between the DC power source and the first input terminal of the amplifier circuit, and the second switching element between the DC power source and the second input terminal of the amplifier circuit. These switching elements are controlled by the pulses from the pulse generator in a similar manner.

REFERENCES:
patent: 3308235 (1967-03-01), Greiner et al.

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