Systems, methods and devices for differential active bias of...

Details Systems, methods and devices for differential active bias of... Systems, methods and devices for differential active bias of...

2007-02-20

2007-02-20

Lee, Benny (Department: 2817)

Amplifiers

With control of power supply or bias voltage

With control of input electrode or gain control electrode bias

C330S285000

Reexamination Certificate

active

10905522

ABSTRACT:
Systems, devices, and methods are provided for actively biasing a multi-stage amplifier. A method for differentially actively biasing a multi-stage amplifier comprises the steps of: actively biasing, with a single active bias circuit, an amplifier comprising a plurality of amplification stages; and differentially applying the bias provided by the single active bias circuit by biasing at least one amplification stage at a different bias level than another of the plurality of amplification stages. An active bias circuit for a multi-stage amplifier comprises: a single active bias circuit that is configured to actively bias a plurality of amplification stages via at least two gates; and a differential device configured to cause the active biasing provided to one gate to be different from the bias provided to another gate.

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