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Design of CMOS OTAs for Low-Voltage and Low-Power Application
Hisashi TANAKA Koichi TANNO Hiroki TAMURA Kenji MURAO
Publication
IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences
Vol.E91-A
No.11
pp.3385-3388 Publication Date: 2008/11/01 Online ISSN: 1745-1337
DOI: 10.1093/ietfec/e91-a.11.3385 Print ISSN: 0916-8508 Type of Manuscript: LETTER Category: Analog Signal Processing Keyword: weak inversion region, OTA, low-voltage, low-power, high-linearity,
Full Text: PDF(258.9KB)>>
Summary:
In this letter, two OTAs with MOSFETs operating in the weak inversion region are proposed. One of the OTAs uses the exponential-logarithm transformation algorithm. Furthermore, the other realizes the high-linearity characteristics due to a small fluctuation of the common-terminal voltage of differential pair. The performance of the proposed OTAs was confirmed by HSPICE simulation.
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