Results 31 to 40 of about 2,366 (223)
Micromachines, 2016 This paper proposes a radiating pattern reconfigurable antenna by employing RF Micro-electromechanical Systems (RF MEMS) switches. The antenna has a low profile and small size of 4 mm × 5 mm × 0.4 mm, and mainly consists of one main patch, two assistant ...
Zhongliang Deng +4 more
doaj +1 more source
Design of a Ka-Band Five-Bit MEMS Delay with a Coplanar Waveguide Loaded U-Shaped Slit
Micromachines, 2023 This paper designs a five-bit microelectromechanical system (MEMS) time delay consisting of a single-pole six-throw (SP6T) RF switch and a coplanar waveguide (CPW) microstrip line.
Yongxin Zhan +4 more
doaj +1 more source
An easy to control all-metal in-line-series ohmic RF MEMS switch
, 2010 Copyright @ 2010 Springer-VerlagThe analysis, design and simulation of a novel easy to control all-metal in-line-series ohmic RF MEMS switch is presented, for applications where the operating frequency ranges from DC to 4 GHz. The proposed switch, due to
K. Tsiakmakis +7 more
core +1 more source
RF-MEMS switch module in a 0.25 µm BiCMOS technology
, 2022 S.25-28A BiCMOS embedded RF-MEMS switch module is demonstrated. The module consists of four main blocks: 1) RF-MEMS switch technology, 2) Switch models for design-kit implementation, 3) High Voltage (HV) generation and digital interface, 4) Flexible ...
Wipf, C. +20 more
core +1 more source
Fabrication and Characterization of Capacitive RF MEMS Perforated Switch
IEEE Access, 2018 In this paper, we have designed, simulated, fabricated, and characterized a clamped-clamped micro mechanical structure-based shunt capacitive RF MEMS switch.
K. Srinivasa Rao +3 more
doaj +1 more source
RF-MEMS switch actuation pulse optimization using Taguchi's method
, 2011 Copyright @ 2011 Springer-VerlagReliability and longevity comprise two of the most important concerns when designing micro-electro-mechanical-systems (MEMS) switches.
K. Tsiakmakis +7 more
core +1 more source
Low Actuating Voltage Spring-Free RF MEMS SPDT Switch
Journal of Electrical and Computer Engineering, 2016 RF MEMS devices are known to be superior to their solid state counterparts in terms of power consumption and electromagnetic response. Major limitations of MEMS devices are their low switching speed, high actuation voltage, larger size, and reliability ...
Deepak Bansal +4 more
doaj +1 more source
Coaxial Dipole Array With Switching Transmit Sensitivities for Ultrahigh Field MRI. [PDF]
Magn Reson MedABSTRACT Purpose To investigate dipole antennas with electronically switchable transmit field patterns to improve flip angle homogeneity in ultra‐high field MRI. Methods Reconfigurable dipole elements that could produce two distinct electronically switchable B1+ field profiles were conceptualized and constructed.
Bosch D +5 more
europepmc +2 more sources
Design and simulation of RF MEMS switches with the supporting columns
Energy Reports, 2022 This paper introduces the principle of RF MEMS switch and performs modeling analysis. By analyzing the low control voltage and microwave power of the switch, phenomena such as long response time and susceptibility to mechanical failure appear. Therefore,
Hongyu Zhu +4 more
doaj +1 more source
A novel low cost spring-less RF MEMS switch prototype
, 2010 This work reports on the fabrication process and measurements of a novel radio frequency microelectromechanical system (RF MEMS) capacitive shunt switch prototype with a mechanically unconstrained armature.
H.M.H. Chong +5 more
core +1 more source