Low noise amplifier with capacitive feedback

Details Low noise amplifier with capacitive feedback Low noise amplifier with capacitive feedback

1993-10-20

1995-01-03

Mottola, Steven

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330294, H03F 345, H03F 3191

Patent

active

053789970

ABSTRACT:
An amplifier comprising an emitter-coupled pair of transistors having inductive load impedances, with capacitive feedback elements tuned with the inductive loads and the capacitive input of the following stage to be resonant at the range of frequencies to be amplified. The reactive loads and feedback elements introduce less noise than with resistive components.

REFERENCES:
patent: 4287477 (1981-09-01), Carlsen, III
patent: 4878033 (1989-10-01), Wong
patent: 5045807 (1991-09-01), Ishihara
patent: 5117203 (1992-05-01), Tennyson
patent: 5172076 (1992-12-01), Brown

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