Voltage Controlled Oscillator with Impedance Spectroscopy for Non-invasive Glucose Application

被引：1
|
作者：
Lai, Wen-Cheng [1 ]
Jang, Sheng-Lyang
Wang, Jyun-Jhih
机构：
[1] Natl Taiwan Univ Sci & Technol, Dept Elect Engn, Taipei, Taiwan
来源：
2018 IEEE INTERNATIONAL SYMPOSIUM ON MULTIMEDIA (ISM 2018) | 2018年
关键词：
triple phase; class C VCO; current reuse; back gate coupling; impedance spectroscopy; non-invasive glucose application; PHASE-NOISE; COLPITTS VCO; DESIGN;
D O I：
10.1109/ISM.2018.00013
中图分类号：
TP [自动化技术、计算机技术];
学科分类号：
0812 ;
摘要：
A new three-phase voltage controlled oscillator (VCO) implemented in TSMC 0.18 mu m 1P6M CMOS process. The designed VCO consists of three single-ended current-reused VCOs coupled via a back gate coupling to reduce the power consumption for impedance spectroscopy sensor. Tuning range of VCO is 0.689 GHz, from 4.45 GHz to 5.14 GHz, while the control voltage was tuned from OV to 1.8V and the VCO core power consumption is 4mW at the supply voltage of 1 V. The measured phase noise is -128.08 dBc/Hz at 1MHz offset frequency from 4.46 GHz. The VCO occupies a chip area of 1.000x0.772mm(2) and provides a figure of merit of -195.05 dBc/Hz setup in non-invasive glucose application.
引用
收藏
页码：25 / 28
页数：4
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