Low-Power Voltage Controlled Oscillators (VCO) Based on Sefl-Biased CNTFETs
محل انتشار: سومین کنفرانس بین المللی مهندسی برق
سال انتشار: 1397
نوع سند: مقاله کنفرانسی
زبان: انگلیسی
مشاهده: 584
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شناسه ملی سند علمی:
ICELE03_257
تاریخ نمایه سازی: 18 اسفند 1397
چکیده مقاله:
A low-power Current-Starved Voltage-Controlled Oscillator (CSVCO) circuit has been presented here. Theproposed structure is based on the hybrid circuit of the Carbon Nanotube Field-Effect Transistor (CNTFET) and lowpower32 nm CMOS transistors. A modified Schmitt trigger is applied for the comparator part of the circuit resulting inat least one order of magnitude mitigation in the power consumption with respect to previously presented work. Themodified Schmitt trigger topology exploit self-biased transistor technique to lower the transistors leakage current [1].The effect of design and characteristics parameters such as Gate oxide thickness, inter-CNT pitch and chirality on thepower dissipation and the oscillation frequency is also studied here. The results also demonstrate a micro-watt rangepower dissipation for several values of these parameters. In addition to the dissipation power lowering, the proposedtopology also show enhanced oscillation frequency values in some design parameters with respect to work presented in [2].
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نویسندگان
Hamidreza Ghanbari Khorram
Department of Electrical Engineering, Hamedan University of Technology, Hamedan ۶۵۱۵۵, Iran
Alireza Kokabi
Department of Electrical Engineering, Hamedan University of Technology, Hamedan ۶۵۱۵۵, Iran