A Miller-compensated amplifier with Gm-boosting
Refereed conference paper presented and published in conference proceedings

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AbstractA two-stage Miller-compensated amplifier with Gm-boosting (MCG) is introduced in this paper. The design involves the conventional two-stage amplifier and a proposed wide-bandwidth scalar circuit that amplifies the output signal voltage at the first stage of the conventional two-stage amplifier. The wide-bandwidth scalar circuit has very short delay so that the non-dominant pole and right-half-plane zero are moved to higher frequencies. The proposed MCG method is able to enhance the unity-gain frequency (UGF) and the phase margin (PM) of the two-stage amplifier. By deploying the current starving approach, the power consumption of proposed amplifier is also brought down. Using a standard 130-nm CMOS technology, simulation results show that the improved MCG amplifier driving a 100-pF load capacitance achieves a gain of 86.83 dB. The UGF is 2.48 MHz and the PM is 60.7°.
All Author(s) ListLau MW, Ho M, Mak KH, Bu S, Leung KN, Goh WL
Name of Conference2015 IEEE Region 10 Conference
Start Date of Conference01/11/2015
End Date of Conference04/11/2015
Place of ConferenceMacau
Country/Region of ConferenceChina
Book title{TENCON} 2015 - 2015 {IEEE} Region 10 Conference
PublisherInstitute of Electrical & Electronics Engineers (IEEE)
LanguagesEnglish-United Kingdom

Last updated on 2021-18-09 at 00:10