Results 31 to 40 of about 287,612 (239)

Design of U-Shaped Frequency Tunable Microwave Filters in MEMS Technology

open access: yesSensors, 2023
U-shaped microwave resonators implemented by RF MEMS switches can be considered the result of a novel design approach for obtaining small-footprint tunable resonators, owing to the bent shape of the resonator and the microsystem solution for changing the
Flavio Giacomozzi   +8 more
doaj   +1 more source

Tunable Lowpass Filter with RF MEMS Capacitance and Transmission Line

open access: yesActive and Passive Electronic Components, 2012
We have presented an RF MEMS tuneable lowpass filter. Both distributed transmission lines and RF MEMS capacitances were used to replace the lumped elements.
Shimul C. Saha   +4 more
doaj   +1 more source

An Analytical Temperature-Dependent Design Model for Contour-Mode MEMS Resonators and Oscillators Verified by Measurements

open access: yesSensors, 2018
The importance of micro-electromechanical systems (MEMS) for radio-frequency (RF) applications is rapidly growing. In RF mobile-communication systems, MEMS-based circuits enable a compact implementation, low power consumption and high RF performance, e.g.
Johannes Stegner   +5 more
doaj   +1 more source

Synthesis of the Silicon Inverted Nano- Pyramids and Study of Their Self- Cleaning Behavior

open access: yesJournal of Advanced Materials in Engineering, 2020
In this paper, synthesis of inverted nano-pyramids on a single crystal silicon surface through a simple and cost-effective wet chemical method is surveyed.
F. mansouri, M. Mehran
doaj  

An easy to control all-metal in-line-series ohmic RF MEMS switch

open access: yes, 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 technology [PDF]

open access: yesIEEJ Transactions on Electrical and Electronic Engineering, 2007
AbstractRecently, to meet the demands of multimode/multiband functions for the next generation communication systems, RF MEMS technology is being developed for the reconfigurable transceiver system. In this article, RF MEMS devices such as switches, high‐Q inductors, and high‐Q resonators are reviewed for their operating principles and device ...
Hyeon Cheol Kim, Kukjin Chun
openaire   +1 more source

TUNABLE BANDPASS FILTER USING RF MEMS SWITCHES

open access: yesInternational Islamic University Malaysia Engineering Journal, 2010
A band pass tunable RF filter is proposed by using Radio Frequency (RF) Microelectro Mechanical Systems (MEMS). The tunability is obtained by using capacitive MEMS switches that can be tuned within the bandwidth of 3.6 GHz to 4.4 GHz.
A.H.M Zahirul Alam
doaj   +1 more source

Integrated RF MEMS/CMOS devices [PDF]

open access: yes2008 Symposium on Design, Test, Integration and Packaging of MEMS/MOEMS, 2008
A maskless post-processing technique for CMOS chips is developed that enables the fabrication of RF MEMS parallel-plate capacitors with a high quality factor and a very compact size. Simulations and measured results are presented for several MEMS/CMOS capacitors.
Raafat R. Mansour   +2 more
openaire   +3 more sources

RF-MEMS switch actuation pulse optimization using Taguchi's method

open access: yes, 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

Miniaturized Folded Ridged Quarter-Mode Substrate Integrated Waveguide RF MEMS Tunable Bandpass Filter

open access: yesIEEE Access, 2020
This paper presents a miniaturized RF MEMS tunable bandpass filter design developed by application of folded ridged quarter-mode substrate integrated waveguide cavity.
Thomas R. Jones, Mojgan Daneshmand
doaj   +1 more source

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