Quasi-elliptic ultra-wideband bandpass filter with super-wide stopband
Sign Up to like & getrecommendations! Published in 2019 at "AEU - International Journal of Electronics and Communications"
DOI: 10.1016/j.aeue.2019.04.011
Abstract: Abstract This paper describes a low-loss and compact planar ultra-wideband (UWB) quasi-elliptical bandpass filter, which is based on a via-free multimode resonator (MMR) that requires no defected ground plane. The MMR structure essentially consists of… read more here.
Keywords: bandpass filter; ultra wideband; filter; structure ... See more keywords
Wideband filtering power dividers with wide stopband rejection
Sign Up to like & getrecommendations! Published in 2018 at "International Journal of Microwave and Wireless Technologies"
DOI: 10.1017/s1759078718001459
Abstract: Abstract A series of novel wideband filtering power dividers (WFPDs) with wide stopband rejection performances is proposed in this paper. The proposed WFPD structure consists of a parallel-coupled line, two transmission line (TL) sections, four… read more here.
Keywords: rejection; power dividers; wide stopband; filtering power ... See more keywords
Miniaturised highly selective bandpass filter with very wide stopband using meander coupled lines
Sign Up to like & getrecommendations! Published in 2017 at "Electronics Letters"
DOI: 10.1049/el.2017.1270
Abstract: A compact wideband bandpass filter with a very wide stopband for terrestrial radio (TETRA) band applications is proposed. The proposed filter employs two types of resonators: one is tri-section half wavelength stepped impedance resonator (SIR)… read more here.
Keywords: highly selective; filter wide; wide stopband; filter ... See more keywords
Design of Compact Wide Stopband Microstrip Low-pass Filter using T-shaped Resonator
Sign Up to like & getrecommendations! Published in 2017 at "IEEE Microwave and Wireless Components Letters"
DOI: 10.1109/lmwc.2017.2652862
Abstract: In this letter, a compact microstrip low-pass filter (LPF) using T-shaped resonator with wide stopband is presented. The proposed LPF has capability to remove the eighth harmonic and a low insertion loss of 0.12 dB.… read more here.
Keywords: pass filter; microstrip low; wide stopband; resonator ... See more keywords
Compact Multi-Layer Bandpass Filter With Wide Stopband Using Selective Feeding Scheme
Sign Up to like & getrecommendations! Published in 2018 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2017.2782692
Abstract: This brief presents a new approach for designing compact bandpass filters (BPFs) with harmonic suppression using quarter-wavelength stepped-impedance resonators (SIRs). The voltage-null point of the third harmonic on the SIR is theoretically derived and found… read more here.
Keywords: bandpass; wide stopband; tex math; selective feeding ... See more keywords
Balanced Dual-Band Superconducting Filter Using Stepped-Impedance Resonators With High Band-to-Band Isolation and Wide Stopband
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2020.3001258
Abstract: A balanced dual-band and wide-stopband high- temperature superconducting (HTS) bandpass filter (BPF) with deep stopband rejection is designed using modified stepped impedance resonators (SIRs) in this brief. The center frequencies of the two differential-mode (DM)… read more here.
Keywords: dual band; stopband; filter; band ... See more keywords
Multilayer Substrate Integrated Waveguide Filter With Multimode Suppression and Wide Stopband
Sign Up to like & getrecommendations! Published in 2022 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2022.3200065
Abstract: This brief presents a new wide stopband substrate integrated waveguide (SIW) filter with multimode suppression based on a multilayer structure. All spurious modes below TE404 of a multilayer SIW filter operating in TE101 could be… read more here.
Keywords: filter multimode; integrated waveguide; stopband; substrate integrated ... See more keywords
Compact or Wide-Stopband SIW Diplexers With High Intrinsic Isolations Based on Orthogonal Dual Modes
Sign Up to like & getrecommendations! Published in 2023 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2022.3208663
Abstract: This brief proposes two miniaturized substrate integrated waveguide (SIW) diplexers with wide stopband and high isolation based on orthogonal dual-mode technique. With the orthogonal dual-mode SIW junction-resonators to eliminate the traditional T-junctions, significant circuit miniaturization… read more here.
Keywords: compact wide; orthogonal dual; based orthogonal; wide stopband ... See more keywords
Wide-Stopband Substrate-Integrated Waveguide Filtering Crossovers With Flexibly Allocated Channel Frequencies and Bandwidths
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Transactions on Microwave Theory and Techniques"
DOI: 10.1109/tmtt.2021.3067886
Abstract: Substrate-integrated waveguide (SIW) filtering crossovers featuring wide-stopband characteristics and flexibly allocated center frequencies (CFs) and bandwidths (BWs) for two intersecting channels are presented and studied. The development is devised upon a scheme of an over-mode… read more here.
Keywords: substrate integrated; filtering crossovers; wide stopband; mode ... See more keywords
A Filtering Power Divider with Tunable Center Frequency and Wide Stopband
Sign Up to like & getrecommendations! Published in 2019 at "Frequenz"
DOI: 10.1515/freq-2018-0261
Abstract: Abstract In this paper, a tunable power divider (PD) with a good band-pass filtering response using quarter-wavelength stepped impedance resonators (SIRs) is presented. By appropriately adjusting the impedance and electrical length ratio of SIR, the… read more here.
Keywords: tunable center; filtering power; wide stopband; power divider ... See more keywords
Wide Stopband Compact Microstrip Quadruplexer Using Common Crossed Resonator
Sign Up to like & getrecommendations! Published in 2018 at "Progress in Electromagnetics Research Letters"
DOI: 10.2528/pierl17112205
Abstract: A compact size and wide stopband microstrip quadruplexer with a common crossed resonator is proposed in this paper. The resonator mentioned is theoretically analyzed and proved to be able to resonate at three different frequencies.… read more here.
Keywords: microstrip quadruplexer; common crossed; wide stopband; resonator ... See more keywords