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84.dB DC-gain two-stage class-AB OTA
- Authors
- Anisheh, S.M.[Anisheh, S.M.]; Abbasizadeh, H.[Abbasizadeh, H.]; Shamsi, H.[Shamsi, H.]; Dadkhah, C.[Dadkhah, C.]; Lee, K.-Y.[Lee, K.-Y.]
- Issue Date
- Aug-2019
- Publisher
- Institution of Engineering and Technology
- Keywords
- CMOS integrated circuits; operational amplifiers; mixed analogue-digital integrated circuits; gain 84; 0 dB; size 180 nm; voltage 1; 8 V; two-stage class-AB OTA; 1P6M CMOS technology; power dissipation; analogue circuits; operational transconductance amplifiers; class-AB operation; mixed-signal circuits
- Citation
- IET Circuits, Devices and Systems, v.13, no.5, pp.614 - 621
- Indexed
- SCIE
SCOPUS
- Journal Title
- IET Circuits, Devices and Systems
- Volume
- 13
- Number
- 5
- Start Page
- 614
- End Page
- 621
- ISSN
- 1751-858X
- Abstract
- Operational trans-conductance amplifiers (OTAs) are an essential building block in analogue and mixed-signal circuits. In this study, a new two-stage class-AB OTA is proposed. The class-AB operation is obtained without extra power dissipation, and without unity-gain bandwidth or noise degradation. The circuit was fabricated using 1P6M 180-nm CMOS technology under 1.8â€.V supply voltage. The measurement results indicate 13â€.dB enhancement in DC-gain and 1.8 times improvement in slew rate compared to its conventional counterpart. Comparison results indicate that the proposed OTA demonstrates better performance than the state-of-The-Art designs. © 2019 IET Circuits, Devices and Systems. All rights reserved.
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Related Researcher
- LEE, KANG YOON
- Information and Communication Engineering (Electronic and Electrical Engineering)