期刊
IEEE SOLID-STATE CIRCUITS LETTERS
卷 1, 期 7, 页码 170-173出版社
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
DOI: 10.1109/LSSC.2019.2896457
关键词
Amplifiers; analog integrated circuits; class AB circuits CMOS integrated circuits; folded cascode (FC) amplifier
资金
- Spanish Agencia Estatal de Investigacion [TEC2016-80396-C2-1-R]
- Fondo Europeo de Desarrollo Regional [TEC2016-80396-C2-1-R]
- Obra Social La Caixa, Fundacion Caja Navarra (Convocatoria 2018 de Captacion de Talento)
An enhanced super class AB recycling folded cascode (RFC) operational transconductance amplifier is presented. It combines various adaptive biasing and transconductance enhancement techniques. Measurement results of a CMOS 130 nm test chip prototype show an improvement in slew rate and gain-bandwidth product by factors 100 and 27, respectively, compared to the conventional RFC topology for the same supply voltage and bias currents.
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