Results 11 to 20 of about 852,097 (307)

Filter Band Pass Frekuensi Radio FM dengan Metode m-derived

open access: yesJurnal EECCIS (Electrics, Electronics, Communications, Controls, Informatics, Systems), 2020
Paper Sistem komunikasi nirkabel (wireless) merupakan andalan terselenggarnya integrasi sistem telekomunikasi secara global. Salah satu penyelenggaraan siaran radio frequency modulation (FM) dialokasikan pada pita frekuensi 87,6 – 107,9 MHz.
Koes Koes Janto
doaj   +1 more source

Low-Voltage and High-Reliability RF MEMS Switch with Combined Electrothermal and Electrostatic Actuation

open access: yesMicromachines, 2021
In this paper, we report a novel laterally actuated Radio Frequency (RF) Microelectromechanical Systems (MEMS) switch, which is based on a combination of electrothermal actuation and electrostatic latching hold.
Yong Zhu, Jitendra Pal
doaj   +1 more source

Segmented waveguides in thin silicon-on-insulator [PDF]

open access: yes, 2005
We have developed new silicon-on-insulator waveguide designs for simultaneously achieving both low-loss optical confinement and electrical contacts, and we present a design methodology based on calculating the Bloch modes of such segmented waveguides ...
Baehr-Jones, Tom   +5 more
core   +1 more source

Design and Experiment of 340-GHz Band Pass Filter With Low Insertion Loss

open access: yesIEEE Access, 2019
This paper demonstrates a 340-GHz band pass filter with a low insertion loss of ~-0.6 dB and a bandwidth of ~6%. This paper studies the relationship between filter diaphragm thickness and resonator length, and the quantitative relationship between ...
Naibo Zhang   +5 more
doaj   +1 more source

Rethinking Figure-of-Merits of Liquid Crystals Shielded Coplanar Waveguide Phase Shifters at 60 GHz

open access: yesJ, 2021
The demand for reconfigurable millimetre-wave (mm-Wave) components based on highly anisotropic liquid crystals (LC) is higher than ever before for the UK and worldwide.
Jinfeng Li
doaj   +1 more source

Concept study of sustainable noise control solution for HVAC systems based on microperforated elements [PDF]

open access: yesProceedings of the Estonian Academy of Sciences, 2021
Recently fibreless solutions have become a trend in the design of sustainable and environmentally friendly duct silencers. In this respect microperforated panels have been proved to provide adequate performance for the substitution of unfavourable ...
Margus Villau   +2 more
doaj   +1 more source

2D Sonic Acoustic Barrier Composed of Multiple-Row Cylindrical Scatterers: Analysis with 1:10 Scaled Wooden Models

open access: yesApplied Sciences, 2022
Theory regarding metamaterials was developed in the 1960s, aiming to control the propagation of electromagnetic waves. Under this scope, research has been focused on the realization of materials having specific characteristics to be invisible to the ...
Antonella Bevilacqua   +3 more
doaj   +1 more source

A Technique for Tunable Filters with Low Insertion Loss and Narrow Bandwidth

open access: yesE3S Web of Conferences, 2018
A technique for tunable filters with low insertion loss and narrow bandwidth is proposed in the form of comb-line structure. Both resonant capacitor with pin-diodes and resonant inductance in the tunable filter were analyzed and the main source of ...
Zhou Chang, Ji Chen, Wu Gen Ping
doaj   +1 more source

Investigation of Insertion Loss in Inkjet-Printed Coplanar Waveguide Based on Drying Temperature [PDF]

open access: yesJournal of Electromagnetic Engineering and Science
In this study, we propose an optimized inkjet printing process to improve the insertion loss of inkjet-printed coplanar waveguide (CPW) transmission lines.
Jun Ho Yu   +4 more
doaj   +1 more source

High-Production-Rate Fabrication of Low-Loss Lithium Niobate Electro-Optic Modulators Using Photolithography Assisted Chemo-Mechanical Etching (PLACE)

open access: yesMicromachines, 2022
Integrated thin-film lithium niobate (LN) electro-optic (EO) modulators of broad bandwidth, low insertion loss, low cost and high production rate are essential elements in contemporary interconnection industries and disruptive applications.
Rongbo Wu   +9 more
doaj   +1 more source

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