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High-gain class-AB OTA with low quiescent current

Title
High-gain class-AB OTA with low quiescent current
Author
노정진
Keywords
operational transconductance amplifier; OTA; transconductance; slew rate
Issue Date
2006-05
Publisher
KLUWER ACADEMIC PUBL
Citation
ANALOG INTEGRATED CIRCUITS AND SIGNAL PROCESSING, v. 47, No. 2, Page. 225–228
Abstract
High-performance operational transconductance amplifier (OTA) is designed for switched-capacitor applications. Without using a cascoded output stage, which limits the voltage swing, the output resistance is significantly increased for high DC gain by accurately controlling the output current. Also, the output stage has class-AB operation, so the overall power efficiency is improved. With significantly low quiescent current, the presented new OTA achieves higher DC gain than conventional OTAs. Theoretical analysis and HSPICE simulations prove the performance of the new OTA.
URI
https://link.springer.com/article/10.1007/s10470-006-4959-1http://repository.hanyang.ac.kr/handle/20.500.11754/107653
ISSN
0925-1030; 1573-1979
DOI
10.1007/s10470-006-4959-1
Appears in Collections:
COLLEGE OF ENGINEERING SCIENCES[E](공학대학) > ELECTRICAL ENGINEERING(전자공학부) > Articles
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