Search Results - "Fu, Jeffrey S."

High thermal stability AlGaAs/InGaAs enhancement-mode pHEMT using palladium-gate technology by Chiu, Hsien-Chin, Yang, Chih-Wei, Chen, Chao-Hung, Lin, Che-Kai, Fu, Jeffrey S., Tu, Hsing-Yuan, Tang, Shiang-Feng

“…The dc, flicker noise, power, and temperature dependence of AlGaAs/InGaAs enhancement-mode pseudomorphic high electron mobility transistors (E-pHEMTs) were…”
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A fully integrated multi-band ED-mode pHEMT VCO using variable transformer and switched resonator by Ke, Po-Yu, Chiu, Hsien-Chin, Fu, Jeffrey S.

“…A systematic approach to the design of a reconfigurable LC-coupled voltage-controlled oscillator (VCO) is proposed in this article. The focus is on the choice…”
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Compact LTCC bandpass filter with vertically folded structure by Chin, Kuo-Sheng, Hung, Jian-Luen, Huang, Chun-Wei, Fu, Jeffrey S., Karmakar, Nemai C.

“…This work designs miniaturized stub‐type microstrip bandpass filters and develops a novel vertical interconnection scheme in a multilayer structure to design…”
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High-k praseodymium oxide passivated AlGaN/GaN MOSFETs using P2S5/(NH4)2SX+UV interface treatment by Lin, Chao-Wei, Chiu, Hsien-Chin, Lin, Che-Kai, Fu, Jeffrey S.

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A 30-65 GHz wideband double-balanced gilbert-cell mixer using GaAs pHEMT technology by Kao, Hsuan-Ling, Ke, J.Y., Yeh, C. S., Chiu, Hsien-Chin, Fu, Jeffrey S.

“…This article presents a wideband, double‐balanced microwave/millimeter‐wave Gilbert‐cell mixer, using 0.15 μm GaAs pHEMT technology. Two baluns and a matching…”
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A Ka-band low-noise amplifier using semicircle stacked-GCPW transmission line by Chiu, Hsien-Chin, Chen, Ting-Huei, Fu, Jeffrey S., Nirmalathas, T. A.

“…A high‐gain Ka‐band 0.18‐μm CMOS low‐noise amplifier with semicircle stacked grounded coplanar waveguide (SCS‐GCPW) structure transmission line is proposed…”
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Electrical and reliability characteristics of GaAs MOSHEMTs utilizing high-k IIIB and IVB oxide layers by Chiu, Hsien-Chin, Chen, Chao-Hung, Yang, Chih-Wei, Fu, Jeffrey S., Wang, Cheng-Shun

“…In this work, the high-k material of gadolinium oxide layer (Gd 2O 3) and zirconium oxide layer (ZrO 2) thin films were fabricated as the gate dielectric…”
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Electromechanical controlled phased array dumbbell EBG beam steerer by Fu, Jeffrey S., Yang, Dong-Hua, Yeh, Chin-I, Karmakar, N.C., Cheng, Jui-Ching, Chin, Kuo-Sheng, Chiu, Hsien-Chin, Xiao, Jian Kang

“…A steerable phased array antenna driven mechanically is realized by utilizing the variation of dumbbell electromagnetic bandgap (EBG) structures. The variation…”
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Development of phased array antenna by controlling the filling factor of periodic structure by Mollah, Mohammad Nurunnabi, Karmakar, Nemai C., Fu, Jeffrey S.

“…A phased array antenna is realized by utilizing the variation of filling factor (FF) of electromagnetic bandgap (EBG) structures. The variation takes place…”
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Thermal stability investigations of AlGaN/GaN HEMTs with various high work function gate metal designs by Chiu, Hsien-Chin, Lin, Chao-Wei, Lin, Che-Kai, Kao, Hsuan-Ling, Fu, Jeffrey S.

“…The operation of high power RF transistor generates a huge amount of heat and thermal effect is a major consideration for improving the efficiency of power…”
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An UWB CMOS voltage-controlled oscillator with 2-6 GHz tuning-range using active inductor technology by Wei, Chien-Cheng, Chiu, Hsien-Chin, Yang, Yi-Tzu, Fu, Jeffrey S., Feng, Wu-Shiung

“…An ultra‐wideband voltage‐controlled oscillator (VCO) in a standard 0.18‐μm CMOS process is presented in this article. The designed VCO adopts two active…”
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Data fusion of multiradar system by using genetic algorithm by Weixian Liu, Yilong Lu, Fu, J.S.

“…Detection system with distributed sensors and data fusion. are increasingly being used by surveillance systems. There has been a great deal of theoretical…”
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Harmonics suppression investigations of pHEMT single-pole-single-throw switches using multi-gate structures by Chiu, Hsien-Chin, Cheng, Chia-Shih, Fu, Jeffrey S., Hsueh, Kuang-Po

“…In this study, multi-gate GaAs pseudomorphic high electron mobility transistor (pHEMT) single-pole-single-throw (SPST) microwave switches were implemented and…”
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Particle swarm optimization and finite-element based approach for microwave filter design by Wen Wang, Yilong Lu, Fu, J.S., Yong Zhong Xiong

“…A novel approach is proposed for compact planar microwave filter design. The powerful particle swarm optimization (PSO) and finite-element method (FEM) are…”
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High electrical performance liquid-phase HBr oxidation gate insulator of InAlAs/InGaAs metamorphic MOS-mHEMT by Chiu, Hsien-Chin, Chen, Chao-Hung, Lin, Che-Kai, Fu, Jeffrey S.

“…The InAlAs/InGaAs metal–oxide–semiconductor metamorphic high electron mobility transistors (MOS-mHEMTs) were demonstrated by using liquid-phase HBr treatment…”
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Novel GaAs enhancement-mode/depletion-mode pHEMTs technology using high-k praseodymium oxide interlayer by Chen, Chao-Hung, Chiu, Hsien-Chin, Yang, Chih-Wei, Fu, Jeffrey S., Chien, Feng-Tso

“…► A novel GaAs E/D-mode pHEMT technology was developed. ► The MIMS-gate insulator was high-k praseodymium oxide. ► This E-mode pHEMTs exhibit a gate VON of +1…”
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NOVEL CHEBYSHEV DISTRIBUTED CHIRPED PHOTONIC BANDGAP (PBG) STRUCTURES by Fu, Jeffrey S, Mollah Md Nurunnabi, Karmakar, Nemai C

“…A microstrip transmission line on a Chebyshev distributed chirped I-D photonic bandgap structure (PBGS) is proposed. Two different approaches are utilized to…”
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Non-uniform Chebyshev distributed chirped dumbbell-shaped photonic bandgap structure (PBGs) low-pass filter by Fu, Jeffrey S., Yang, Dong-Hua, Yeh, Chin-I, Chiu, Hsien-Chin, Chin, Kuo-Sheng, Kao, Hsuan-Ling, Cheng, Jui-Ching

“…Purpose - The purpose of this paper is to introduce a non-uniform Chebyshev distributed low-pass filter (LPF) with dumbbell-shaped photonic bandgap structure…”
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A fully on-chip ESD protection UWB-band low noise amplifier using GaAs enhancement-mode dual-gate pHEMT technology by Chiu, Hsien-Chin, Cheng, Chia-Shih, Kao, Hsuan-Ling, Fu, Jeffrey S., Cui, Qiang, Liou, Juin J.

“…► We present a novel ESD protected wideband LNA using E-mode pHEMT dual-gate clamps. ► This clamp achieved a low on-state resistance and uniform parasitic…”
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High-Performance 90-nm Dual-Gate nMOSFETs With Field-Plate Technology by Fu, J S, Hsien-Chin Chiu, Po-Yu Ke, Ting-Huei Chen, Wu-Shiung Feng

“…In this letter, high-performance 90-nm dual-gate nMOSFETs with field-plate (FP) metal were demonstrated for high-power and low-frequency noise device…”
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