Low noise amplifier for wideband tunable matching

Details Low noise amplifier for wideband tunable matching Low noise amplifier for wideband tunable matching

2008-01-29

2008-01-29

Pascal, Robert (Department: 2817)

Amplifiers

With semiconductor amplifying device

Including plural stages cascaded

C330S305000, C330S098000

Reexamination Certificate

active

07323939

ABSTRACT:
Provided is a low noise amplifier with a common source and a source degeneration, which has linearity, power gain, noise factor, and lossless input matching. The low noise amplifier includes: a first inductor having one terminal connected to an input terminal receiving a signal; a second inductor having one terminal connected to a ground; a MOS transistor having a gate connected to the first inductor, a source connected to the other terminal of the second inductor, and a drain transmitting a signal; and a variable capacitor connected between the source and gate of the MOS transistor and varying an input matching frequency at the input terminal.

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