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Microsystem Technologies
Published in: Microsystem Technologies 1/2018

15-11-2016 | Technical Paper

A current-controlled oscillator with temperature, voltage, and process compensation

Authors: Wei-Bin Yang, Jen-Shiun Chiang, Ching-Tsan Cheng, Chi-Hsiung Wang, Horng-Yuan Shih, Jia-Liang Syu, Cing-Huan Chen, Yu-Lung Lo

Published in: Microsystem Technologies | Issue 1/2018

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Abstract

This paper presents a current-controlled oscillator (CCO) circuit design with temperature, voltage, and process compensation. A current reference biasing circuit comprising a complementary-to-absolute-temperature current and a proportional-to-absolute-temperature current is used for maintaining stability during temperature variations. In addition, an output current adjustment circuit is used to overcome process variation, and the voltage variation is compensated for by the connecting structure between the current reference and oscillator. The CCO was fabricated in a 0.18-μm CMOS process. The measured temperature variation coefficient is 48.8 ppm/°C across a temperature range of 0–100 °C, and the voltage variation coefficient is 0.13% for a supply voltage ranging from 1.62 to 1.98 V; overall power consumption is 64 μW.
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Literature
Abbasizadeh H, Rikan B S, Lee KY (2015) A fully on-chip 25 MHz PVT-compensation CMOS Relaxation Oscillator. Conference on Very Large Scale Integration (VLSI-SoC), pp 241–245
Huang ZY, Chiang JS, Yang WB, Wang CH (2011) A New Temperature Independent Current Controlled Oscillator. International Symposium on Intelligent Signal Processing and Communications Systems (ISPACS), pp 1–4
Luo L, Cai X, Li Z (2009) The design of sub-threshold reference circuit using resistor temperature compensation. IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), pp 78–81
Mina R, Maged G, Yehea I. (2011) A dynamic calibration scheme for on-chip process and temperature variations. IEEE International Symposium on Circuits and Systems (ISCAS), pp 2047–2050
Seo SY, Chun JH, Jun YH, Seok K, Kwon KW (2011) A digitally controlled oscillator with wide frequency range and low supply sensitivity. IEEE Trans Circuits Syst-II: Express Briefs 58(10):632–636CrossRef
Sundaresan K, Allen PE, Ayazi F (2006) Process and temperature compensation in a 7-MHz CMOS clock oscillator. IEEE J Solid State Circ 41(2):433–442CrossRef
Yu CY, Lee CY (2011) A 0.6 V 200 kHz Silicon Oscillator with Temperature Compensation for Wireless Sensing Applications. IEEE International Midwest Symposium on Circuits and Systems (MWSCAS), pp 1–4
Zhou Q, Li L, Chen G (2009) An RC Oscillator with temperature compensation for accurate delay control in electronic detonators. IEEE International Conference of Electron Devices and Solid-State Circuits (EDSSC), pp 274–277
Metadata
Title
A current-controlled oscillator with temperature, voltage, and process compensation
Authors
Wei-Bin Yang
Jen-Shiun Chiang
Ching-Tsan Cheng
Chi-Hsiung Wang
Horng-Yuan Shih
Jia-Liang Syu
Cing-Huan Chen
Yu-Lung Lo
Publication date
15-11-2016
Publisher
Springer Berlin Heidelberg
Published in
Microsystem Technologies / Issue 1/2018
Print ISSN: 0946-7076
Electronic ISSN: 1432-1858
DOI
https://doi.org/10.1007/s00542-016-3190-y

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