Low noise and high gain low noise amplifier

Details Low noise and high gain low noise amplifier Low noise and high gain low noise amplifier

2007-04-17

2007-04-17

Mottola, Steven J. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including balanced to unbalanced circuits and vice versa

C330S302000

Reexamination Certificate

active

10905964

ABSTRACT:
high-gain and low-noise low noise amplifier (LNA) includes a differential amplifier, a pre-amplifier and an impedance matching network. The differential amplifier includes a first input end and a second input end coupled to a grounded impedance. The pre-amplifier includes an input end and an output end. The impedance matching network is coupled between the first input end of the differential amplifier and the output end of the pre-amplifier for matching an input impedance of the differential amplifier with an output impedance of the pre-amplifier. The present invention provides a LNA structure with low noise, high gain and easy design.

REFERENCES:
patent: 4366446 (1982-12-01), Henderson et al.

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