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the collaborative research program from the Microwave Energy Transmission Laboratory(METLAB);Research Insti⁃tute for Sustainable Humanosphere(RISH);Kyoto University and National Institute of Information and Communications Technology(NICT),JAPAN under Grant No.02401.
Applications using simultaneous wireless information and power transfer(SWIPT)have increased significantly.Wireless communication technologies can be combined with the Internet of Things to develop many innovative app...
supported by the Pioneer Hundred Talents Program,Chinese Academy of Sciences.
CMOS analog and mixed-signal phase-locked loops(PLL)are widely used in varies of the system-on-chips(SoC)as the clock generator or frequency synthesizer.This paper presents an overview of the AMS-PLL,including:1)a bri...
supported by the National Natural Science Foundation of China(Nos.61804024,61874020,and 61771115);the National Science and Technology Major Project of the Ministry of Science and Technology of China(No.2018ZX03001008)。
With a lot of millimeter-wave(mm-Wave)applications being issued,wideband circuits and systems have attracted much attention because of their strong applicability and versatility.In this paper,four transformer-based ul...
supported by National Nature Science Foundation of China (Grant Nos. 61331003, 61474108, 61234003);National Key Technology Research and Development Program of the Ministry of Science and Technology of China (Grant No. 2016ZX03001002)
This paper proposes a synthesized injection-locked bang-bang phased-locked loop(SILBBPLL)with high digital controlled oscillator(DCO) frequency resolution. The SILBBPLL is expressed with hardware description language ...
Project supported by the National Basic Research Program of China(Grant No.2013CB328901);the National Natural Science Foundation of China(Grant No.11305177)
The frequency characteristics of free oscillation magnetron(FOM) and injection-locked magnetron(ILM) are theoretically investigated.By using the equal power voltage obtained from the experiment data,expressions of...
Project supported by the National Natural Science Foundation of China(No.61264001);the Guangxi Natural Science Foundation(Nos.2013GXNSFAA019333,2015GXNSFAA139301,2014GXNSFAA118386);the Graduate Education Innovation Program of GUET(No.GDYCSZ201457);the Project of Guangxi Education Department(No.LD14066B);the High-Level-Innovation Team and Outstanding Scholar Project of Guangxi Higher Education Institutes
A three-stage differential voltage-controlled ring oscillator is presented for wide-tuning and low-phase noise requirement of clock and data recovery circuit in ultra wideband(UWB) wireless body area network. To imp...
A novel non-intrusive technology for wrist pulse detection system has been developed and proposed for sleep monitoring using three types of radio frequency(RF)sensors.The three types of RF sensors for heart rate measu...
supported by the National Natural Science Foundation of China(Nos.61020106006,61331003,61222405,JCYJ20120616142625998,JCYJ20130401173110245)
A 40-GHz phase-locked loop(PLL) frequency synthesizer for 60-GHz wireless communication applications is presented. The electrical characteristics of the passive components in the VCO and LO buffers are accurately ex...
supported by the National Natural Science Foundation of China(No.61376037);the National Twelve-Five Project(No.513***)
This paper presents a wide locking range and low DC power injection-locked frequency tripler for Kband frequency synthesizers application. The proposed ILFT employs a variable current source to decouple the injection ...
Project supported by the National Basic Research Program of China(Grant No.2013CB328901);the National Natural Science Foundation of China(Grant No.11305177)
Based on the scatter matrix of the four-port lossless mismatched circulator, the phase differential equation of the injection-locked magnetron is derived by comparing different effects of the mismatched and perfect ci...