Design of a low-voltage constant transconductance rail-to-rail CMOS operational amplifier

This paper presents a rail-to-rail constant transconductance operational amplifier input stage. The proposed circuit changes the tail current of the input differential pairs dynamically for a constant-gm by using dummy input differential pairs. The problem which causes total gm variation is input pa...

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Détails bibliographiques
Auteurs principaux: Gao Yuhong, Li Junlong
Format: Article
Langue:zho
Publié: National Computer System Engineering Research Institute of China 2020-01-01
Collection:Dianzi Jishu Yingyong
Sujets:
Accès en ligne:http://www.chinaaet.com/article/3000112378