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Patent NumberUS8963639B2
Status已授權 Granted
Frequency compensation techniques for low-power and small-area multistage amplifiers
Year Issued2015
2015-02-24
Application Number13/770,020
Application Date2013-02-19
Rights HolderUniversity of Macau
Yan, Zushu; Mak, Pui-In; Law, Man-Kay; Rui Paulo da Silva MARTINS
Date Available2015-02-24
CountryUnited States
Subtype发明专利 Invention
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.

Language英語English
Open (Notice) NumberUS20140232465A1
IPC Classification NumberH03f3/45
CPC Classification NumberH03f3/45192 ; H03f2200/408 ; H03f2203/45631 ; H03f2203/45674
AgencyBacon & Thomas, Pllc
URLView the original
Document TypePatent
CollectionFaculty of Science and Technology
INSTITUTE OF MICROELECTRONICS
DEPARTMENT OF ELECTRICAL AND COMPUTER ENGINEERING
AffiliationUniversity of Macau
Recommended Citation
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[P]. 2015-02-24.
APA Yan, Zushu., Mak, Pui-In., Law, Man-Kay., & Rui Paulo da Silva MARTINS (2013-02-19). Frequency compensation techniques for low-power and small-area multistage amplifiers.
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