Presentation 2001/8/17
A CMOS PLL Clock Generator Using A Back-Gate-Bias Voltage-Controlled Oscillator(BG-VCO)
Tomochika Harada, Tadayoshi Enomoto,
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Abstract(in English) A back-gate-bias voltage-controlled oscillator(BG-VCO), whose oscillating frequency ƒ is controlled by a back-gate bias voltage, has been developed. A phase-locked-loop(PLL)clock generator incorporating the BG-VCO was fabricated by using 0.5-μm CMOS technology. The number of MOSFETs in the BG-VCO is less than 1/2 that in a conventional VCO. The voltage sensitivity of a fabricated 41-stage BG-VCO with a single 2.5-V power supply(V_D)is approximately 6.1 MHz/V. Its tuning range and pull-in time are respectively 84.6 MHz to 99.25 MHz and 3.1 μsec. And its peak-to-peak jitter at ƒ_o of 90 MHz and V_D of 2.5 V is less than 252 psec(2.26%).
Keyword(in Japanese) (See Japanese page)
Keyword(in English) BG-VCO / PLL / back-gate bias / body-bias effect / voltage sensitivity
Paper # ICD2001-66
Date of Issue

Conference Information
Committee ICD
Conference Date 2001/8/17(1days)
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Paper Information
Registration To Integrated Circuits and Devices (ICD)
Language JPN
Title (in Japanese) (See Japanese page)
Sub Title (in Japanese) (See Japanese page)
Title (in English) A CMOS PLL Clock Generator Using A Back-Gate-Bias Voltage-Controlled Oscillator(BG-VCO)
Sub Title (in English)
Keyword(1) BG-VCO
Keyword(2) PLL
Keyword(3) back-gate bias
Keyword(4) body-bias effect
Keyword(5) voltage sensitivity
1st Author's Name Tomochika Harada
1st Author's Affiliation Department of Information and System Engineering Faculty of Science and Engineering Chuo University.()
2nd Author's Name Tadayoshi Enomoto
2nd Author's Affiliation Department of Information and System Engineering Faculty of Science and Engineering Chuo University.
Date 2001/8/17
Paper # ICD2001-66
Volume (vol) vol.101
Number (no) 266
Page pp.pp.-
#Pages 6
Date of Issue