Low-voltage Tracking RC Compensated OTA and a Rail-to-Rail Input and Output Operational Amplifier

Graduate Thesis Or Dissertation

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Citeable URL: https://ir.library.oregonstate.edu/concern/graduate_thesis_or_dissertations/2v23w1780

Descriptions

Attribute Name	Values
Creator	Kuo, Yu-Wen
Abstract	The operational transconductance amplifier (OTA) is a fundamental building block in analog and mixed-signal systems. This research describes a process-, voltage-, and temperature- (PVT) insensitive low-voltage tracking RC compensation scheme considered for two-stage CMOS OTAs, which cancels the pole due to the load capacitance using a Miller zero generated by the frequency compensation network. A low-voltage current source with no back-gate effect (a “k’ generator” or a peaking current source) is used to generate the bias currents for the OTA. This architecture implemented in a TSMC 180nm CMOS process, achieves a 2X power reduction compared to a widely-used active-RC compensation scheme. Also, a rail-to-rail input and output operational amplifier is designed in a 180nm process with a complementary input pair and a class-AB output stage.
License	All rights reserved
Resource Type	Masters Thesis
Date Issued	2020-05-28
Degree Level	Master's
Degree Name	Master of Science (M.S.)
Degree Field	Electrical and Computer Engineering
Degree Grantor	Oregon State University
Commencement Year	2020
Advisor	Allstot, David J.
Academic Affiliation	Electrical Engineering and Computer Science
权利声明	In Copyright
Publisher	Oregon State University
Peer Reviewed	No
Language	English [eng]
Embargo reason	Intellectual Property (patent, etc.)

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