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Frequency compensation techniques for low-power and small-area multistage amplifiers
Yan, Zushu; Mak, Pui-In; Law, Man-Kay; Rui Paulo da Silva MARTINS
Rights HolderUNIVERSITY OF MACAU
Date Available2015-02-24
CountryUnited States
Subtype发明专利
Abstract

A three stage amplifier is provided and the three stage amplifier comprises a first gain stage, a second gain stage and a third gain stage wherein said first stage receives an amplifier input signal and said third gain stage outputs an amplifier output signal. The amplifier includes a feedback loop having a current buffer and a compensation capacitance provided from the output of said third gain stage to the output of the first gain stage. In addition, an active left half plane zero stage is embedded in said feedback loop for cancelling a parasitic pole of said feedback loop.

Application Date2013-02-19
Patent NumberUS8963639B2
Language英语
Application NumberUS13770020
Open (Notice) NumberUS8963639B2
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Document TypePatent
专题INSTITUTE OF MICROELECTRONICS
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
AffiliationUniversity of Macau
推荐引用方式
GB/T 7714
Yan, Zushu,Mak, Pui-In,Law, Man-Kay,et al. Frequency compensation techniques for low-power and small-area multistage amplifiers. US8963639B2.
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