Wide-band adjustable gain low-noise amplifier

Details Wide-band adjustable gain low-noise amplifier Wide-band adjustable gain low-noise amplifier

2007-07-31

2009-12-29

Nguyen, Patricia (Department: 2817)

Amplifiers

Combined with automatic amplifier disabling switch means

C330S12400D, C330S278000, C330S295000

Reexamination Certificate

active

07639075

ABSTRACT:
A wide-band adjustable gain low-noise amplifier (LNA) is disclosed. In various embodiments, the LNA includes a first sub-circuit and a second sub-circuit coupled in parallel. In various embodiments, the first sub-circuit includes an amplifier configured to receive power when a logical signal is asserted and de-powered otherwise. In various embodiments, the second sub-circuit includes an amplifier configured to shunt an input node to a reference node using a resistor when the logical signal is de-asserted. Methods according to various embodiments of the invention are also disclosed.

REFERENCES:
patent: 3735393 (1973-05-01), Carbrey
patent: 4871976 (1989-10-01), Watanabe et al.
patent: 5939938 (1999-08-01), Kalb et al.
patent: 6621346 (2003-09-01), Nabicht et al.
patent: 7190219 (2007-03-01), Burns et al.

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