2013•Unpublished venueRequires access

An Improvement in the Differential Mode Gain of a single-output CMOS Differential Amplifier with an Active Load

Mostafa Bijani, Mahmoud Aleshams, Fasa Branch

Abstract

A single-output CMOS differential amplifier is one of useful analog building blocks for signal-processing applications in mixed-signal circuits. One of advantages of using a differential amplifier instead of other transistor amplifiers is its simple biasing and high amplifier gain. In this paper, in order to improve the differential mode gain, we propose a design for a single-output CMOS differential amplifier with an active load. This circuit can reach a differential-mode gain of 165 while consuming power of 195 µw.

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Available abstract

Key concepts: Fully differential amplifier, Differential amplifier, Direct-coupled amplifier, Operational amplifier, Amplifier, CMOS, Operational transconductance amplifier, Electronic engineering