Results 21 to 30 of about 984 (183)

A Reconfigurable Pseudohairpin Filter Based on MEMS Switches

open access: yesSensors, 2022
This work presents a bandpass-reconfigurable planar pseudohairpin filter based on RF-MEMS switches. Hairpin-line structures are preferred to design microstrip filters because this class of filters offers a more compact size, and, in general, hairpin ...
Massimo Donelli   +3 more
doaj   +1 more source

Varactor-Based Continuously Tunable Microstrip Bandpass Filters: A Review, Issues and Future Trends

open access: yesIEEE Access
Electronically tuned bandpass filters are crucial frequency-selective devices in tunable RF front-ends and are extensively utilized in the fields of communications and sensing.
Mengjie Qin   +6 more
doaj   +1 more source

A COMPACT MICROSTRIP BANDSTOP FILTER [PDF]

open access: yesProgress In Electromagnetics Research Letters, 2009
In this paper, a novel microstrip bandstop fllter by etching a square split ring in the center of microstrip line is proposed. Low insertion loss in the passband, high rejection level and integrated structure should be mentioned as advantages for this resonator.
Saeed Fallahzadeh, Majid Tayarani
openaire   +1 more source

A Survey of Differential-Fed Microstrip Bandpass Filters: Recent Techniques and Challenges

open access: yesSensors, 2020
Differentially driven devices represent a highly promising research field for radio frequency (RF), microwave (MW), and millimeter-wave (mmWave) designers and engineers.
Yasir I. A. Al-Yasir   +4 more
doaj   +1 more source

Miniaturized Microstrip Diplexer Based on FR4 Substrate for Wireless Communications

open access: yesElektronika ir Elektrotechnika, 2021
In this paper, the miniaturized microstrip diplexer has been designed for dual channels based on FR4 substrate material. It consists of two bandpass filters (BPFs) functioning under dissimilar frequency bands coupled with a unified junction.
Hussein Ali Hussein   +2 more
doaj   +1 more source

Development of a microwave low-pass filter based on a microstrip line projection mode

open access: yesРоссийский технологический журнал
Objectives. Sections of microstrip lines having finite length are widely used to develop integrated circuits and microwave devices for various purposes, such as power dividers, directional couplers, attenuators, and filters.
A. D. Yarlykov, O. A. Demin
doaj   +1 more source

Design of superconducting ultra‐wideband filter with wide stopband based on quintuple‐mode resonator

open access: yesElectronics Letters, 2023
In this paper, a new ultra‐wideband (UWB) bandpass filter (BPF) based on QMR (quintuple‐mode resonator) loaded with quasi‐lumped elements is proposed for wide stopband application. The method of connecting five folded U‐shaped resonators with rectangular
Qingyu Kong   +6 more
doaj   +1 more source

Combined signal‐interference/split‐type microwave multi‐band bandpass filters

open access: yesIET Microwaves, Antennas & Propagation, 2023
Two classes of RF/microwave planar quad‐band bandpass filters (BPFs) that simultaneously exploit transversal signal‐interference and multi‐passband‐splitting mechanisms are reported.
Mohamed Malki   +2 more
doaj   +1 more source

Design of a Triple-band Microstrip Bandpass Filter with Wide Harmonic Suppression Based on Stepped-impedance Resonators

open access: yesRMUTL Engineering Journal, 2023
This paper presents a triple-band microstrip bandpass filter with a broad harmonic suppression based on stepped-impedance resonators. This stepped-impedance resonator structure reduces the microstrip open-loop halfwave length resonator filter's circuit ...
Thaweewong Akkaralaertsest   +4 more
doaj   +1 more source

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

open access: yesAdvanced 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

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