0.9V rail-to-rail constant gm CMOS amplifier input stage

C. W. Lu*, C. M. Hsiao

*Corresponding author for this work

研究成果: Article同行評審

2 引文 斯高帕斯(Scopus)

摘要

Presented is a 0.9V rail-to-rail constant gm CMOS amplifier input stage consisting of complementary differential pairs and a gm control circuit. The gm control circuit eliminates the gm dead zone, which occurs in the conventional rail-to-rail amplifier with ultra-low supply voltages. The proposed amplifier input stage has a constant gm that varies by ±2.3 for rail-to-rail input common-mode levels. To verify the proposed amplifier design, an experimental prototype operational amplifier is also implemented using 0.35m standard CMOS technology.

原文English
頁(從 - 到)1145-1146
頁數2
期刊Electronics Letters
45
發行號23
DOIs
出版狀態Published - 2009

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