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Author: search.filters.author.Kasemsuwan, VarakornSubject: search.filters.subject.Class-AB

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    A CMOS inverter-based class-AB pseudo-differential amplifier with current-mode common-mode feedback (CMFB)
    (2013-02-01)
    Suadet, Apirak
    ;
    Kasemsuwan, Varakorn
    This paper presents a CMOS inverter-based class-AB pseudo-differential amplifier comprising currentmode common-mode feedback (CMFB). The circuit employs two CMOS inverters and the complementary CMFB consisting of current-mode common-mode (CM) detector and transimpedance amplifier. The circuit has been designed using 0.18 lm CMOS technology and operates at 1 V supply. The simulation results demonstrate rail-to-rail operation with low CM gain (-15 dB). The power dissipation of the circuit is 102.5 lW. © Springer Science+Business Media, LLC 2012.
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    A 0.5 V Quasi-Floating-Gate (QFG) inverter-based class-AB gain-bandwidth independent amplifier
    (2011-12-01)
    Suadet, Apirak
    ;
    Kasemsuwan, Varakorn
    This paper presents a 0.5 V QFG inverter-based class-AB gain-bandwidth independent amplifier. The circuit employs positive feedback to enhance the input impedance, and feed-forward technique to suppress the common-mode gain. The circuit is designed using 0.18 μm CMOS technology under 0.5 V supply. The simulation results show nearly constant bandwidth for various gain, rail-to-rail input/output swing, suppressed common-mode response, and good linearity. The power dissipation is 275 μW. © 2011 IEEE.
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    A CMOS inverter-based class-AB pseudo differential amplifier for HF applications
    (2010-12-01)
    Suadet, Apirak
    ;
    Kasemsuwan, Varakorn
    This paper presents a CMOS inverter-based class-AB pseudo differential amplifier for HF applications using new simple rail-to-rail CMFB circuit. The proposed circuit employs two CMOS inverters and the complementary common-mode feedback (CMFB) consisting of current mode common-mode detector and transimpedance amplifiers. The circuit has been designed using 0.18 μm CMOS technology under 1 V supply, and the simulation results shows that the rail to rail output swing is achieved with low common-mode gain (-15 dB). The output swing of the circuit is 0.7 V. The power dissipation of the circuit is 96 μW. © 2010 IEEE.