CASCODE AMPLIFIER WITH DYNAMIC BODY BIAS AND METHOD THEREOF

Abstract: a cascode amplifier comprises: a common-source amplifier includes a first most (metal-oxide semiconductor transistor) of a first type configured to receive a first input signal and output a first current to a first node in accordance with a body voltage applied at a body of the first most of the first type; a first common-gate amplifier comprising a second most of the first type and configured to receive the first current from the first node and output a second current to a second drain node in accordance with a first gate voltage; a dynamic body voltage generator configured to receive the first input signal and output the body voltage; and a load configured to establish a third voltage at a third drain node in response to the second current through a dc (direct current) path between the second drain node and the third drain node.

Inventor(s): Ting-Hsu Chien, Chia-Liang (Leon) Lin

CPC Classification: H03F1/3205 (Modifications of amplifiers to reduce non-linear distortion (by negative feedback ))

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