지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 저널정보
- 대한전자공학회 JOURNAL OF SEMICONDUCTOR TECHNOLOGY AND SCIENCE Journal of Semiconductor Technology and Science Vol.19 No.6
- 발행연도
- 2019.12
- 수록면
- 608 - 612 (5page)
- DOI
- 10.5573/JSTS.2019.19.6.608
이용수
초록· 키워드
오류제보하기
This letter presents a pseudo-differential current-mode relaxation voltage-controlled oscillator for small form factor applications. A pseudodifferential current-mode comparator with a temperature compensated RC circuit was composed both to obtain half duty cycle and have a constant charge and discharge time with temperature change. A current source with two types of gate-oxide transistor combinations was able to obtain the reference voltage and had an ultra-low temperature coefficient, thus mitigating frequency variation with regard to temperature. The proposed voltage-controlled oscillator was implemented in a low power 65-㎚ CMOS process and occupied 0.011 ㎟. Measurements showed that the voltage-controlled oscillator operated at 4.75-5.09 ㎒ with a supply voltage of 1.0 V, and its DC power consumption was 40 ㎼ including a 3-stage buffer. A low frequency variation of 41.8 ppm/℃ was achieved for the temperature range of 20 to 100 ℃.
목차
Abstract
Ⅰ. INTRODUCTION
Ⅱ. ARCHITECTURE
Ⅲ. CIRCUIT DESIGN
Ⅳ. MEASUREMENT RESULTS
Ⅴ. CONCLUSIONS
REFERENCES
참고문헌 (9)
참고문헌 신청
Y. Tokunaga, S. Sakiyama, A. Matsumoto, and S. Dosho, “An on-chip CMOS relaxation oscillator with voltage averaging feedback,” IEEE J. Solid- State Circuits, vol. 45, no. 6, pp. 1150-1158, Jun. 2010.
J. Lee, A. George, and M. Je, “A 1.4 V 10.5 MHz swingboosted differential relaxation oscillator with 162.1 dBc/Hz FOM and 9.86 psrms period jitter in 0.18 μm CMOS,” in IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, Feb. 2016, pp. 106-107.
Y.-H. Chiang and S.-I. Liu, “A submicrowatt 1.1- MHz CMOS relaxation oscillator with temperature compensation,” IEEE Trans. Circuits Syst. II, Exp. Briefs, vol. 60, no. 12, pp. 837-841, Dec. 2013.
K. Huang and D. Wentzloff, “A 1.2-MHz 5.8 μW temperaturecompensated relaxation oscillator in 130-nm CMOS,” IEEE Trans. Circuits Syst. II, Exp. Briefs, vol. 59, no. 5, pp. 888-892, May 2014.
Y. H. Chiang, S. I. Liu, “Nanopower CMOS relaxation oscillators with sub-100 ppm/°C temperature coefficient,” IEEE Trans. Circuits Syst. II Exp. Briefs, vol. 61, no. 9, pp. 661-665, Sep. 2014.
J. Lee, A. George, and M. Je, “A 1.4 V 10.5 MHz swingboosted differential relaxation oscillator with 162.1 dBc/Hz FOM and 9.86 psrms period jitter in 0.18 μm CMOS,” in IEEE Int. Solid-State Circuits Conf. (ISSCC) Dig. Tech. Papers, Feb. 2016, pp. 106-107.
Y.-H. Chiang and S.-I. Liu, “A submicrowatt 1.1- MHz CMOS relaxation oscillator with temperature compensation,” IEEE Trans. Circuits Syst. II, Exp. Briefs, vol. 60, no. 12, pp. 837-841, Dec. 2013.
K. Huang and D. Wentzloff, “A 1.2-MHz 5.8 μW temperaturecompensated relaxation oscillator in 130-nm CMOS,” IEEE Trans. Circuits Syst. II, Exp. Briefs, vol. 59, no. 5, pp. 888-892, May 2014.
Y. H. Chiang, S. I. Liu, “Nanopower CMOS relaxation oscillators with sub-100 ppm/°C temperature coefficient,” IEEE Trans. Circuits Syst. II Exp. Briefs, vol. 61, no. 9, pp. 661-665, Sep. 2014.
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