The common-base differential amplifier and applications revisited. (May 2017)

• Record Type: Journal Article
• Authors: Maundy, B.J.; Ozoguz, Serdar; Elwakil, A.S.; Gift, S.J.G.
• Is Part Of: Microelectronics journal. Volume 63(2017)
• Page Start: 8
• Page End: 19
• Publication Date: 2017-05
• Subjects: Circuit theory -- Filters -- Operational transresistance amplifier -- Differential amplifiers; Microelectronics -- Periodicals; Microélectronique -- Périodiques; Microelectronics; Electronic journals; Journals - contents and abstracts; Periodicals; 621.3805
• DOI: 10.1016/j.mejo.2017.02.014
• Languages: English
• ISSNs: 0959-8324

Abstract

Abstract: In this paper, the common-base (or -gate) differential amplifier is revisited and presented. A variant of the same amplifier is also presented and both are analyzed using standard two-port network analysis. Their high frequency behavior, differences in biasing details and noise analysis are also compared and contrasted. New differential input-output filters are derived for the common-base (or -gate) differential amplifier as well as a new low impedance Norton amplifier. Simulations using Spectre in a 90 nm UMC CMOS process of several of the filters as well as experiments conducted using discrete transistors confirm the theoretical results.