Kasemsuwan, Varakorn

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Kasemsuwan, Varakorn
Alternative Name
Kasemsuwan, V.
Kasemsuwan, Varakom
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Email
varakorn.ka@kmitl.ac.th

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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.
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    A high performance thermal noise-canceling transimpedance-based differential amplifier
    (2009-12-01)
    Wangtaphan, Skawrat
    ;
    Kasemsuwan, Varakorn
    This paper presents a design of 1.2 V thermal noise-canceling differential amplifier using 0.13 um CMOS technology. The amplifier employs a CMOS inverter-based transimpedance amplifier, and a noise-canceling circuitry. The thermal noise-canceling circuitry is used to cancel channel thermal noise of the input MOSFET. The simulation result shows the noise figure of 2.32 dB. The gain and bandwidth of the amplifier are 42.14 dB and 2 GHz respectively. The power dissipation is 13 mW. ©2009 IEEE.
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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.