Amplifier device capable of carrying out a stable amplifying ope

Details Amplifier device capable of carrying out a stable amplifying ope Amplifier device capable of carrying out a stable amplifying ope

1996-06-20

1998-09-22

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including atomic particle or radiant energy impinging on a...

330282, 250214A, 250214AG, 359194, H03F 308, H04B 1006

Patent

active

058120300

ABSTRACT:
An amplifier section is supplied with an electric signal outputted from a light-sensitive detector. The amplifier section comprises an amplifying circuit for amplifying the electric signal into an amplified signal having an amplified level. A producing section produces a control signal on the basis of the amplified signal and a reference voltage. A resistor section is connected to the amplifying circuit in parallel. The resistor section has a variable resistance which is varied in accordance with the control signal. A capacitor section has a capacitor and connects the input of the amplifying circuit and the output of the amplifying circuit through the capacitor in response to the control signal.

REFERENCES:
patent: 3408579 (1968-10-01), Smith
patent: 4429967 (1984-02-01), Tokuda et al.
patent: 4459475 (1984-07-01), Flint et al.
patent: 4574249 (1986-03-01), Williams
patent: 4718119 (1988-01-01), Salzer et al.

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