High CMRR current mode operational amplifier with a novel class AB input stage

Abstract

In this paper, improved CMRR, high gain CMOS current-mode operational amplifier (COA) is presented. A new class AB input stage is used in order to obtain very low input resistance. The proposed COA is operated under ±1.5 V voltage supplies and designed with 0.35-μm CMOS process. Results of simulation indicate a 107 dB DC gain, 123 Ω input resistance, common… (More)
DOI: 10.1145/1228784.1228834

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