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A New On-chip Signal Generator for Charge-Based Capacitance Measurement Circuit

التفاصيل البيبلوغرافية
العنوان: A New On-chip Signal Generator for Charge-Based Capacitance Measurement Circuit
المؤلفون: Wen Lin Xu, Rong Qian Tian, Xiaopeng Yu, Zheng Shi
المصدر: Journal of Electronic Testing. 31:329-333
بيانات النشر: Springer Science and Business Media LLC, 2015.
سنة النشر: 2015
مصطلحات موضوعية: Engineering, Signal generator, business.industry, Electrical engineering, Charge (physics), Function (mathematics), Capacitance, CMOS, Duty cycle, Splitter, Hardware_INTEGRATEDCIRCUITS, Electronic engineering, Electrical and Electronic Engineering, business, Electronic circuit
الوصف: In this paper, a new on-chip signal generator for charge-based capacitance measurement (CBCM) circuit is proposed. As compared to conventional circuits that use two input off-chip clock signals or on-chip delay cells, the proposed circuit uses an I/Q splitter and an AND function to obtain 1/2 and 1/8 duty cycle signals, hence reduces the potential mismatch between these two clock signals. The proposed circuit makes it possible to use higher input frequency in measurement. As a result, smaller capacitance can be measured using the same measurement facilities without the loss of accuracy. Implemented in a standard 180 nm CMOS process, the proposed signal generator only occupies 40 μm?×?18 μm while consuming less than 60 μW at an input frequency of 100 MHz. Simulation and measurement results suggest that the CBCM measuring circuits with proposed signal generator achieves the same accuracy as compared to conventional circuits while the requirement of measurement facilities can be considerably relaxed.
تدمد: 1573-0727
0923-8174
URL الوصول: https://explore.openaire.eu/search/publication?articleId=doi_________::6182a023af5e5eb5700020f24e629f44
https://doi.org/10.1007/s10836-015-5526-4
حقوق: CLOSED
رقم الأكسشن: edsair.doi...........6182a023af5e5eb5700020f24e629f44
قاعدة البيانات: OpenAIRE
الوصف
تدمد:15730727
09238174