Results 41 to 50 of about 30,741 (221)

Computer Aided Design and Analysis of a 2-4 GHz Broadband Balanced Microstrip Amplifier

International Islamic University Malaysia Engineering Journal, 2012
In this paper, a computer-aided design and analysis of a 2-4 GHz broadband balanced microstrip amplifier using a full computer simulation program developed by the author and others is presented. A short and efficient CAD procedure for broadband amplifier
S. H. Ibrahim
doaj   +1 more source

Novel UHF RFID Near-Field Reader Antenna with Uniform Vertical Electric Field Distribution

International Journal of Antennas and Propagation, 2020
This paper presents two novel UHF RFID near-field reader antennas with uniform vertical electric field distribution. The two antennas have the following common characteristics.
Yanbin Chen, Xiaojuan Ren, Jimin Zhao, Xin Chen, Yuan Yao, Junsheng Yu, Xiaodong Chen   +6 more
doaj   +1 more source

Liquid Metals in Radio Frequency Applications: A Review of Physics, Manufacturing, and Emerging Technologies

Advanced Electronic Materials, EarlyView.
This paper reviews the physics of liquid metals in RF devices, including the influence of mechanical strain on resonance as well as fabrication methods and strategies for designing tunable and strain‐tolerant inductors, capacitors, and antennas.
Md Saifur Rahman, William J. Scheideler
wiley   +1 more source

Novel CMOS RFIC Layout Generation with Concurrent Device Placement and Fixed-Length Microstrip Routing

, 2017
With advancing process technologies and booming IoT markets, millimeter-wave CMOS RFICs have been widely developed in re- cent years. Since the performance of CMOS RFICs is very sensi- tive to the precision of the layout, precise placement of devices and
Jhan, Hsiang-Chieh, Li, Bing, Lin, Mark Po-Hung, Schlichtmann, Ulf, Tsai, Zuo-Ming, Tseng, Tsun-Ming, Yeh, Ching-Feng   +6 more
core   +1 more source

A new impedance matching method for an ultra-wide band and dual circularly polarised feed [PDF]

, 2016
In traditional antenna design, metal components are not placed in the central part of the antenna as they change the characteristics of near field radiation.
Chen, Zhi Jun, Jeffrey, Natasha, Li, Sha, Liu, Dong Hao, Wang, Wei, Yan, Yi Hua, Zhang, Fu Shun   +6 more
core   +1 more source

Recent Advances in Programmable Metasurfaces and Meta‐Devices

Advanced Electronic Materials, EarlyView.
Programmable metasurfaces enable various novel functionalities by dynamically tuning electromagnetic wavefronts. This article provides a comprehensive review of recent advances in microwave and terahertz programmable metasurfaces, covering electrical, thermal, optical, and mechanical control mechanisms.
Linda Shao, Chong He, Nan Wang, Liming Si, Weiren Zhu   +4 more
wiley   +1 more source

Breaking the challenge of signal integrity using time-domain spoof surface plasmon polaritons

, 2015
In modern integrated circuits and wireless communication systems/devices, three key features need to be solved simultaneously to reach higher performance and more compact size: signal integrity, interference suppression, and miniaturization. However, the
Cui, Tie Jun, Fan, Yifeng, Fu, Xiaojian, Zhang, Hao Chi, Zhang, Qian   +4 more
core   +2 more sources

New opportunities for bioscaffold‐enabled spinal cord injury repair

BMEMat, EarlyView.
Schematic illustration of bioscaffolds for spinal cord injury repair. We summarize the effects of bioscaffold properties on SCI repair, highlight different types of bioscaffolds, various fabrication strategies, and in vivo transformations for the clinical development of SCI‐repairing bioscaffolds.
Xiaoqing Qi, Yicheng Fu, Zhaoliang Su, Li Li, Subrata Chakrabarti, Peng Li, Yilun Wu, Fang Liu, Teng Gao, Zhifeng Dong, Lei Liu, Pei Cao   +11 more
wiley   +1 more source

Designing and Fabrication of High Frequency Ultrawide Band Passive Phase Shifters with Single Layer Microstrip Structure and Unequal Source and Load Impedances [PDF]

International Journal of Industrial Electronics, Control and Optimization
In this paper, a method is presented to design and implement ultra-wideband phase shifters, in frequency ranges higher than 10 GHz, with fractional bandwidth near a hundred percent.
Habibollah Zolfkhani, Alireza Sharifi
doaj   +1 more source

A Review of Black Phosphorus‐Based Materials: From Preparation Strategies to Characterization Techniques

ENERGY &ENVIRONMENTAL MATERIALS, EarlyView.
The structure, properties, preparation methods, and characterization techniques of BP. As a typical 2D layered material, black phosphorus (BP) demonstrates exceptional promise in various fields, particularly in energy storage for alkali metal‐ion batteries. However, its distinctive structure and properties, together with the compositional complexity of
Yunqing Wang, Jinzhi Lyu, Yongxiang Li, Yubing Wang, Xiangming Cui, Jianan Wang, Banglong Wan, Wei Yan   +7 more
wiley   +1 more source