RF MEMS Based Tunable Bowtie Shaped Substrate Integrated Waveguide Filter [PDF]
Radioengineering, 2015 A tunable bandpass filter based on a technique that utilizes substrate integrated waveguide (SIW) and double coupling is presented. The SIW based bandpass filter is implemented using a bowtie shaped resonator structure.
M. Z. Ur Rehman +4 more
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TUNABLE BANDPASS FILTER USING RF MEMS SWITCHES
International 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
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Design of Tunable Coaxial Bandpass Filter Based on Embedded Stepped Impedance Resonators
IEEE Access, 2023 This paper describes a method for designing tunable coaxial bandpass filters based on an inserted coaxial stepped impedance resonator (SIR). The miniaturization of the coaxial resonator is realized by the shape of the stepped impedance structure.
Xubin Zhou, Junjie Huo
doaj +1 more source
Bandpass Biomedical Color Filter Based on 1-D Photonic Crystal Structure [PDF]
International Journal of Biophotonics and Biomedical Engineering, 2021 We propose a flexible design for tunable bandpass biomedical color filter based on one-dimensional photonic crystals with introducing defect layers into one dimensional periodic structure which permits localized modes to exist with frequency inside ...
Hamed Alipour-Banaei +1 more
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0.7-1.0-GHz Switchable Dual-/Single-Band Tunable Bandpass Filter Using a Switchable J-Inverter
IEEE Access, 2021 Cognitive radios require tunable band-switchable bandpass filters to respond to the dynamically changing operating frequencies in cognitive systems.
Young-Ho Cho +2 more
doaj +1 more source
Effective strategy for accessing the multi-pulse regime of mode-locked fiber lasers [PDF]
EPJ Web of Conferences, 2023 We unveil a strategy for configuring mode-locked fiber lasers by means of a tunable bandpass filter, which allows multi-pulse structures to be generated without distortions in their intensity profiles, with significantly reduced pumping power levels.
Tchofo-Dinda Patrice +3 more
doaj +1 more source
A Wideband Controllable Bandpass Filter Based on Spoof Surface Plasmon Polaritons
Frontiers in Physics, 2022 A wideband controllable band-pass filter is proposed, which is based on the spoof surface plasmon polaritons (SSPP) and slip ring resonators (SRR). The design concept of the bandpass filter is using the SSPP and SRR to control the high cut-off frequency ...
Xi Chen +3 more
doaj +1 more source
Compact Wide-Frequency Tunable Filter With Switchable Bandpass and Bandstop Frequency Response
IEEE Access, 2019 In this paper, a novel compact wide-frequency tunable filter with switchable bandpass and bandstop frequency response is presented. By employing two PIN diodes between the source and load port, the bandpass and bandstop filtering response can be switched,
Kaijun Song +5 more
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Simple Coupled-Line Tunable Bandpass Filter With Wide Tuning Range
IEEE Access, 2020 In this paper, a tunable bandpass filter using coupled line with a wide tuning range is proposed. The proposed filter has a simple structure which is composed of a coupled-line section and two pairs of varactors.
Xiaoxiao Chen +3 more
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Soft radio frequency microstrip bandpass filter: Precise design and demonstration
AIP Advances, 2023 A soft and tunable microwave bandpass Chebyshev microstrip end-coupled filter is demonstrated on a polydimethylsiloxane substrate based on high electrically conductive composites made of silver nanoparticle-covered flakes, even with large strain.
Wei He +7 more
doaj +1 more source