Browsing by Author "Lee, Chen Yi"

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A 0.6V 200kHz Silicon Oscillator with Temperature Compensation for Wireless Sensing Applications
(2011)
Yu, Chien-Ying
;
Lee, Chen Yi
;
電子工程學系及電子研究所
;
Department of Electronics Engineering and Institute of Electronics
This paper presents a silicon oscillator suitable for low-cost and low-power wireless sensing applications. With the comparisons of ring oscillators in different temperature coefficients, the frequency of an internal ring oscillator is estimated and parameterized by a second-order polynomial. Accordingly, the output clock is compensated in a frequency division fashion. The oscillator is implemented in 90-nm CMOS technology with an area of 0.04mm(2). Operating at 0.6V, the output frequency is within 200+/-1kHz over the temperature range of -25 degrees C to 125 degrees C with power consumption of 48 mu W.