IF amplifier/limiter with positive feedback

Details IF amplifier/limiter with positive feedback IF amplifier/limiter with positive feedback

1995-05-30

1997-01-21

Mullins, James B.

Amplifiers

With semiconductor amplifying device

Including differential amplifier

330252, 455308, H03F 345

Patent

active

055962998

ABSTRACT:
An IF limiting amplifier uses localized positive feedback in each amplifier stage to provide additional small signal gain while maintaining the limiting gain. The extra small signal gain results in higher overall sensitivity for the receiver at less bias current. The reduction in the number of stages needed to perform the same signal response results in a significant decrease in power consumption by the circuit.

REFERENCES:
patent: 4904952 (1990-02-01), Tanimoto

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