Results 1 to 10 of about 21,429 (115)

Graphene/AlGaN/GaN RF Switch [PDF]

Micromachines, 2021
RF switches, which use a combination of graphene and two-dimensional high-density electron gas (2DEG) in the AlGaN/GaN system, were proposed and studied in the frequency band from 10 MHz to 114.5 GHz.
Yevhen Yashchyshyn, Paweł Bajurko, Jakub Sobolewski, Pavlo Sai, Aleksandra Przewłoka, Aleksandra Krajewska, Paweł Prystawko, Maksym Dub, Wojciech Knap, Sergey Rumyantsev, Grzegorz Cywiński   +10 more
doaj   +2 more sources

Design of a RF Switch Used in Redundant Atomic Clock Configurations [PDF]

Sensors, 2019
Atomic clocks provide frequency reference signals for communication, aerospace, satellite navigation and other systems. The redundant configuration of atomic clocks is necessary for ensuring the continuity and stability of the system.
Yuqing Hou, Sangyuan Wang, Sheng Tang, Tao Zhang   +3 more
doaj   +2 more sources

Development and characterization of coaxial two-way switch for RF plasma discharge experiments [PDF]

Scientific Reports
A developed high-performance 3−1/8″ coaxial two-way RF switch tailored for RF plasma discharge experiments including pre-ionization and start-up; wall conditioning and Ion Cyclotron Resonance Heating has been presented (Bora et al.
Raj Singh, Vishant Gahlaut, Vangalla Veera Babu, Uttam Goswami, Meenu Kaushik, L. Vijayakumar, Bhupender Sandher, Joydeep Ghosh   +7 more
doaj   +2 more sources

Machine Learning-Driven Structural Optimization of a Bistable RF MEMS Switch for Enhanced RF Performance [PDF]

Micromachines
In the rapidly advancing digital era, the demand for miniaturized and high-performance electronic devices is increasing, particularly in applications such as wireless communication, unmanned aerial vehicles, and healthcare devices.
J. Joslin Percy, S. Kanthamani, S. Mohamed Mansoor Roomi   +2 more
doaj   +2 more sources

Design, Fabrication and Measurement of Radio Frequency Micro-Electro-Mechanical Systems

IEEE Open Journal of Nanotechnology, 2023
This article describes the fabrication and experimental results of a novel step structure Radio Frequency Microelectromechanical system (RF MEMS) switch integrated with a circular patch antenna.
Girija Sravani Kondavitee, Young Suh Song, Srinivasa Rao Karumuri, Koushik Guha, Brajesh Kumar Kaushik, Aime Lay-Ekuakille   +5 more
doaj   +1 more source

Flexible radio-frequency micro electro-mechanical switch towards the applications of satellite communications

npj Flexible Electronics, 2022
This paper presents a flexible radio-frequency microelectromechanical system (RF MEMS) switch integrated on cyclo-olefin polymer (COP) substrate using a modified surface MEMS processing technology, which could be used in the 17–19 GHz frequency band of ...
Yingli Shi, Chao Zhou, Zibo Cao, Yurong He, Jingwen Guo, Chunxin Li, Qianhong Wu, Kui Liang, Yanzhao Li, Yuan Lin   +9 more
doaj   +1 more source

Phase Variation Measurement in Mach–Zehnder Interferometric Switch

Measurement Science Review, 2021
Phase variations of the interrogation field lead to frequency shifts in Ramsey-type atomic clocks. This paper reports the development of a 300 MHz Mach–Zehnder (MZ) switch that effectively suppresses phase-transient effects. Similar to MZ interferometers,
Fan Sichen, Ruan Jun, Liu Dandan, Wang Xinliang, Yang Fan, Guan Yong, Zhang Hui, Shi Junru, Bai Yang, Zhang Shougang   +9 more
doaj   +1 more source

Modeling and Manufacturing of Micromechanical RF Switch with Inductors

Sensors, 2007
This study presents the simulation, fabrication and characterization ofmicromechanical radio frequency (RF) switch with micro inductors. The inductors areemployed to enhance the characteristic of the RF switch.
Ying-Liang Chen, Ching-Liang Dai
doaj   +1 more source

Manufacture of Radio Frequency Micromachined Switches with Annealing

Sensors, 2014
The fabrication and characterization of a radio frequency (RF) micromachined switch with annealing were presented. The structure of the RF switch consists of a membrane, coplanar waveguide (CPW) lines, and eight springs.
Cheng-Yang Lin, Ching-Liang Dai
doaj   +1 more source

Design and Fabrication of a MEMS Bandpass Filter with Different Center Frequency of 8.5–12 GHz

Micromachines, 2023
The design simulation and fabrication results of a bandpass filter based on micro-electro-mechanical system (MEMS) switches are presented in this paper.
Yi-Fei Zhang, Min Cui, Dong-Ping Wu
doaj   +1 more source