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CMOS Inverter as Analog Circuit: An Overview

by Woorham Bae 1,2
1
Department of Electrical Engineering and Computer Sciences, University of California at Berkeley, Berkeley, CA 94720, USA
2
Ayar Labs, Santa Clara, CA 95054, USA
J. Low Power Electron. Appl. 2019, 9(3), 26; https://doi.org/10.3390/jlpea9030026
Received: 24 June 2019 / Revised: 19 July 2019 / Accepted: 17 August 2019 / Published: 20 August 2019
Since the CMOS technology scaling has focused on improving digital circuit, the design of conventional analog circuits has become more and more difficult. To overcome this challenge, there have been a lot of efforts to replace conventional analog circuits with digital implementations. Among those approaches, this paper gives an overview of the latest achievement on utilizing a CMOS inverter as an analog circuit. Analog designers have found that a simple resistive feedback pulls a CMOS inverter into an optimum biasing for analog operation. Recently developed applications of the resistive-feedback inverter, including CMOS inverter as amplifier, high-speed buffer, and output driver for high-speed link, are introduced and discussed in this paper. View Full-Text
Keywords: analog; analog and mixed signal; amplifier; CMOS; driver; high-speed buffer; high-speed I/O; Integrated circuit; Inverter analog; analog and mixed signal; amplifier; CMOS; driver; high-speed buffer; high-speed I/O; Integrated circuit; Inverter
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Bae, W. CMOS Inverter as Analog Circuit: An Overview. J. Low Power Electron. Appl. 2019, 9, 26.

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