Wideband class AB (push–pull) current amplifier in CMOS technology

14 April 1990

journal article
Published by Institution of Engineering and Technology (IET) in Electronics Letters

Vol. 26 (8) , 543-545
https://doi.org/10.1049/el:19900353

Abstract

A wideband class AB (push-pull) current amplifier realised with only ten MOS devices is described which provides very low input resistance, good large signal behaviour and large bandwidth. Detailed analysis of the proposed circuit is presented. The two amplifier circuits composed of simple and cascode current mirrors are simulated and their performance characteristics compared.

Keywords

PERFORMANCE CHARACTERISTICS
PUSH-PULL AMPLIFIERS
CURRENT AMPLIFIER
CMOS TECHNOLOGY
INPUT RESISTANCE
CASCODE CURRENT MIRRORS
LARGE SIGNAL BEHAVIOUR
CLASS AB
WIDEBAND AMPLIFIERS
MOS DEVICES
LARGE BANDWIDTH

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