A K-Band High-Efficiency VCO Using Current Reused Technique

被引：29
作者：
Chang, Yu-Teng
Lu, Hsin-Chia [1 ]
机构：
[1] Grad Inst Elect Engn, Dept Elect Engn, Taipei 106, Taiwan
来源：
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS | 2017年 / 27卷 / 12期
关键词：
Buffer amplifier; center-tapped transformer; combined-metal K-band; cross couple pair (CCP); current reused technique; Doppler radar;
D O I：
10.1109/LMWC.2017.2756559
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
In this letter, we present a high-efficiency CMOS voltage control oscillator (VCO) at K-Band. In order to achieve high efficiency, we adopt center-tapped transformer and current reused technique to integrate cross couple pair and buffer amplifier. In addition, we put buffer amplifier gate bias at class AB to enhance efficiency. VCO tuning range is from 22.35 to 25.31 GHz. Across the VCO frequency range, peak output power and best efficiency are 4.37 dBm and 10.93%, respectively. Phase noise is better than -101 dBc/Hz at 1 MHz offset at all tuning range. Total dc power consumption is only 25 mW for 1.8-V supplied voltage. To our best knowledge, this VCO has excellent dc to RF efficiency at K-band.
引用
收藏
页码：1134 / 1136
页数：3
相关论文
共 11 条
[1]   A Compact Wideband Front-End Using a Single-Inductor Dual-Band VCO in 90 nm Digital CMOS [J].
Borremans, Jonathan ;
Bevilacqua, Andrea ;
Bronckers, Stephane ;
Dehan, Morin ;
Kuijk, Maarten ;
Wambacq, Piet ;
Craninckx, Jan .
IEEE JOURNAL OF SOLID-STATE CIRCUITS, 2008, 43 (12) :2693-2705
[2]  
Chang YT, 2016, EUR MICROW INTEGRAT, P377, DOI 10.1109/EuMIC.2016.7777570
[3]   A Fully Integrated 60-GHz CMOS Direct-Conversion Doppler Radar RF Sensor With Clutter Canceller for Single-Antenna Noncontact Human Vital-Signs Detection [J].
Kuo, Hsin-Chih ;
Lin, Chien-Chih ;
Yu, Chun-Han ;
Lo, Pei-Hua ;
Lyu, Jhin-Ying ;
Chou, Chien-Chang ;
Chuang, Huey-Ru .
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 2016, 64 (04) :1018-1028
[4]   Random Body Movement Cancellation in Doppler Radar Vital Sign Detection [J].
Li, Changzhi ;
Lin, Jenshan .
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 2008, 56 (12) :3143-3152
[5]  
Lin CA, 2009, IEEE RAD FREQ INTEGR, P63
[6]   A Bias-Varied Low-Power K-band VCO in 90 nm CMOS Technology [J].
Liu, Szu-Ling ;
Tian, Xin-Cheng ;
Hao, Yue ;
Chin, Albert .
IEEE MICROWAVE AND WIRELESS COMPONENTS LETTERS, 2012, 22 (06) :321-323
[7]   K-band High-PAE Wide-Tuning-Range VCO Using Triple-Coupled LC Tanks [J].
Mahalingam, Nagarajan ;
Ma, Kaixue ;
Yeo, Kiat Seng ;
Lim, Wei Meng .
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, 2013, 60 (11) :736-740
[8]  
Wang PY, 2014, ASIA PACIF MICROWAVE, P956
[9]   Frequency-tuning technique for remote detection of heartbeat and respiration using low-power double-sideband transmission in the Ka-band [J].
Xiao, Yanming ;
Lin, Jenshan ;
Boric-Lubecke, Olga ;
Lubecke, Victor M. .
IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES, 2006, 54 (05) :2023-2032
[10]   Design of a 24-GHz CMOS VCO With an Asymmetric-Width Transformer [J].
Yang, Jaemo ;
Kim, Choul-Young ;
Kim, Dong-Wook ;
Hong, Songcheol .
IEEE TRANSACTIONS ON CIRCUITS AND SYSTEMS II-EXPRESS BRIEFS, 2010, 57 (03) :173-177
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