Dual gain amplification low noise amplifier

Details Dual gain amplification low noise amplifier Dual gain amplification low noise amplifier

2005-03-08

2005-03-08

Nguyen, Khanh V. (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including differential amplifier

C330S279000

Reexamination Certificate

active

06864746

ABSTRACT:
A dual gain amplification low noise amplifier that includes an amplification circuit to a provide dual gain amplification—high gain amplification for a weak data signal and low gain amplification for a strong data signal. Also included is a control circuit to maintain approximately the same P1dB point for the weak signal during high gain amplification as for the strong signal during low gain amplification.

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Arvin R. Shahani et al., “A 12-mW Wide Dynamic Range CMOS Front-End for a Portable GPS Receiver”, IEEE Journal of Solid-State Circuits, vol. 32, No. 12, Dec. 1997, p. 2061-2070.

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