Linear variable gain traveling wave amplifier

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 7400200
APP PUB NO 20070216485A1
SERIAL NO

11378986

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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An integrated circuit including a distributed amplifier is disclosed. The integrated circuit includes a plurality of amplification stages, each stage connected to an input signal and an output signal. At least one amplification stage includes an amplification transistor such as a field effect transistor (FET) having a gate, a source, and a drain, the gate connected to the input signal and a feedback path between the drain and the gate. The feedback path is implemented with another FET having a gate, a source, and a drain; its gate is connected to a control signal; its drain is connected to the drain of the amplification FET; and its source is connected to the gate of the amplification FET. The feedback path provides variable resistive feedback and allows the amplification FET to operate at its linear response portion of its characteristic curve even when its gain is controlled by a control signal.

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Patent Owner(s)

Patent OwnerAddress
AVAGO TECHNOLOGIES WIRELESS IP (SINGAPORE) PTE LTDSINGAPORE 768923

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Frank, Michael L Los Gatos, CA 24 514
Fujii, Kohei San Jose, CA 28 84

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