supported by the Key-Area Research and Development Program of Guangdong Province(Grant No.2018B030329001);the National Key Technologies R&D Program of China(2018YFA0306101);The Scientific Instrument Developing Project of the Chinese Academy of Science(YJKYYQ20170032);the National Natural Science Foundation of China(61505196);the Program of Beijing Academy of Quantum Information Sciences(Grant No.Y18G01).
In this work,we achieve high count-rate single-photon output in single-mode(SM)optical fiber.Epitaxial and dilute InAs/GaAs quantum dots(QDs)are embedded in a GaAs/AlGaAs distributed Bragg reflector(DBR)with a micro-p...
supported by the National Natural Science Foundation of China(Nos.61161003,61264001,61166004);the Guangxi Key Laboratory of Precision Navigation Technology and Application Foundation(No.DH201501)
This paper presents a low power 8-bit 1 MS/s SAR ADC with 7.72-bit ENOB. Without an op-amp, an improved segmented capacitor DAC is proposed to reduce the capacitance and the chip area. A dynamic latch comparator with ...
The aim of this article is to investigate the effect of dielectric loss tangent on frequency dispersion of output reactance and capacitance in GaAs MESFETs.For this purpose,measurements of output impedance modulus and...
Project supported by the National Basic Research Program of China(No.2010CBxxxx05);the Advance Research Project of China(No.51308xxxx06);the Advance Research Foundation of China(No.9140A08xxxx11DZ111);Doctoral Scientific Research Foundation of Henan University of Science and Technology(No.400613480011);the Foundation of He’nan Educational Commettee(No.15A510001)
A fully integrated Ku-band voltage controlled oscillator (VCO) is presented in an InGaP/GaAs hetero- junction bipolar transistor (HBT) technology. To achieve the wide tuning range (TR), the VCO employs a Colpitt...
Project supported by the National High Technology Research and Development Program of China(No.2014AA032609);the Strategic Emerging Industry Special Funds of Guangdong Province(Nos.2010A081002009,2011A081301004,2012A080302003);the Fundamental Research Funds for the Central Universities(Nos.2013ZM093,2013ZP0017)
Three types of textured indium-tin-oxide (ITO) surface, including nano-texturing and hybrid micro/nano-texturing with micro-holes (concave-hybrid-pattem) or micro-pillars (convex-hybrid-pattern), were applied to...
supported by the National Natural Science Foundation of China(No.61274027)
Electro-static discharge (ESD) is always a serious threat to integrated circuits. To achieve higher robustness and a smaller die area at the same time, a novel protection structure for the output pad is proposed. Th...
Project supported by the National Natural Science Foundation of China (No.60906012);the Analog Devices,Inc.(ADI)
An analog implementation of a novel fixed-frequency quasi-sliding-mode controller for single-inductor dual-output(SIDO) buck converter in pseudo-continuous conduction mode(PCCM) with a self-adaptive freewheeling c...
supported by the Core Electronic Devices,High-End General Chips and Basic Software Products Major Projects,China(No. 2009ZX01031-002-008);the National High Technology Research and Development Program of China(No.2009AA011601)
An output amplitude configurable wideband automatic gain control(AGC) with high gain step accuracy for the GNSS receiver is presented.The amplitude of an AGC is configurable in order to cooperate with baseband chips...
A dual mode charge pump to produce an adaptive power supply for a class G audio power amplifier is presented.According to the amplitude of the input signals,the charge pump has two level output voltage rails available...
An integrated single-inductor dual-output (SIDO) switching DC-DC converter is presented. The outputs are specified with 1.2 V/400 mA and 1.8 V/200 mA. A decoupling small signal model is proposed to analyze the multi...