Low-Voltage Process-Compensated VCO with On-Chip Process Monitoring and Body-Biasing Circuit Techniques
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概要
- 論文の詳細を見る
A voltage-controlled oscillator (VCO) tolerant to process variations at lower supply voltage was proposed. The circuit consists of an on-chip threshold-voltage-monitoring circuit, a current-source circuit, a body-biasing control circuit, and the delay cells of the VCO. Because variations in low-voltage VCO frequency are mainly determined by that of the current in delay cells. a current-compensation technique was adopted by using an on-chip threshold-voltage-monitoring circuit and body-biasing circuit techniques. Monte Carlo SPICE simulations demonstrated that variations in the oscillation frequency by using the proposed techniques were able to be suppressed about 65% at a I-V supply voltage, compared to frequencies with and without the techniques.
- IEICE - Institute of Electronics, Information and Communication Engineersの論文
- 2009-12-01
著者
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AMEMIYA Yoshihito
Department of Electrical Engineering, Hokkaido University
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Amemiya Yoshihito
Graduate School Of Information Sci. & Technol. Hokkaido Univ.
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Ueno Ken
Department of Electrical Engineering, Hokkaido University
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Hirose Tetsuya
Department of Electrical and Electronics Engineering, Kobe University
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Asai Tetsuya
Department of Electrical Engineering, Hokkaido University
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Asai Tetsuya
Graduate School Of Information Science And Technology Hokkaido University
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Hirose Tetsuya
Department Of Electrical And Electronics Engineering Kobe University
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Amemiya Yoshihito
Department Of Electrical Engineering Faculty Of Engineering Hokkaido University
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Asai Tetsuya
Department Of Electrical And Electronic Engineering Toyohashi University Of Technology
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Ueno Ken
Department Of Electrical Engineering Hokkaido University
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Hirose Tetsuya
Department Of Electrical Engineering Hokkaido University
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Amemiya Yoshihito
Graduate School Of Information Science And Technology Hokkaido University
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Hirose Tetsuya
Department of Electrical and Electronic Engineering, Graduate School of Engineering, Kobe University, 1-1 Rokkodai, Nada, Kobe 657-8501, Japan
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