Integrated circuit amplifier

Details Integrated circuit amplifier Integrated circuit amplifier

1976-12-20

1977-11-22

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including field effect transistor

330293, H03F 316

Patent

active

040598110

ABSTRACT:
In the application of analog type circuits to semiconductor chips for large scale circuit integration, a substantial improvement in the size of an amplifier circuit on the chip can be obtained by use of only active components on the chip. The described circuit is designed for any desired amplification factor and this factor can be maintained substantially uniform from chip to chip despite wide variations in the characteristics of comparable components between different semiconductive chips. The analog amplifier includes a high gain operating amplifier and a feedback-input circuit having only active components and which can be designed to reduce the gain of the operating amplifier to any desired value.

REFERENCES:
patent: 3265981 (1966-08-01), Dill
patent: 3678407 (1972-07-01), Ahrons

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