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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 한국과학기술원 정보전자연구소 IDEC Journal of Integrated Circuits and Systems IDEC Journal of Integrated Circuits and Systems Vol.3 No.3
- 발행연도
- 2017.7
- 수록면
- 32 - 38 (7page)
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In this paper we present a novel approach in the design of a pseudo-differential operational transconductance amplifier having a wide input range being adapted to the implementation of a 9th-order Bessel filter. Inclusion of a PMOS device biased at the subthreshold and triode regions facilitated an improvement of 40% in the input swing range by suspending half of the supply, while maintaining degradation of transconductance Gm to less than 1%. The operational transconductance amplifier is fabricated using a 0.18-μm n-well 1P5M CMOS process with a 1.8V supply. Results through measurement show 1% Gm variation, and a total harmonic distortion of below ?62dB under the input swing range of ±0.9V. The 9th order Bessel filter shows the cutoff frequency of 100MHz highly desirable for a digital versatile disc pickup circuit operating at 16 times normal speed.
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참고문헌 (15)
참고문헌 신청
E. Sanchez-Sinencio / 2000 / CMOS transconductance amplifiers, architectures and active filters : a tutorial / IEE Proc. Circuits Devices Syst. :3~12
K. C. Kuo / 2001 / A linear MOS transconductor using source degeneration and adaptive biasing / IEEE Trans. Circuits Syst. II, Analog Digit. Signal Process. 48(10):937~943
M. Mobarak / 2010 / Attenuation-predistortion linearization of CMOS OTAs with digital correction of process variationsin OTA-C filter applications / IEEE J. Solid-State Circuits 45(2):351~367
X. Zhang / 2007 / A novel CMOS OTA based on bodydriven MOSFETs and its applications in OTA-C filters / IEEE Trans. Circuits Syst. I 54(6):1204~1212
S. -H. Yang / 2005 / A novel CMOS operational transconductance amplifier based on a mobility compensation technique / IEEE Trans. Circuits Syst. II 52(1):3742
K. C. Kuo / 2001 / A linear MOS transconductor using source degeneration and adaptive biasing / IEEE Trans. Circuits Syst. II, Analog Digit. Signal Process. 48(10):937~943
M. Mobarak / 2010 / Attenuation-predistortion linearization of CMOS OTAs with digital correction of process variationsin OTA-C filter applications / IEEE J. Solid-State Circuits 45(2):351~367
X. Zhang / 2007 / A novel CMOS OTA based on bodydriven MOSFETs and its applications in OTA-C filters / IEEE Trans. Circuits Syst. I 54(6):1204~1212
S. -H. Yang / 2005 / A novel CMOS operational transconductance amplifier based on a mobility compensation technique / IEEE Trans. Circuits Syst. II 52(1):3742
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