Compact Microstrip UWB Bandpass Filter With Dual Notched Bands Using E-Shaped Resonator

Zhao, Junding; Wang, Jianpeng; Zhang, Gang; Li, Jialin

doi:10.1109/lmwc.2013.2283873

Cited by 47 publications

(48 citation statements)

References 12 publications

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“…These include 3.7 GHz WiMAX band, 5.2 GHz WLAN band, and 7.8 GHz satellite communication band systems. The overlaps of these bands with the UWB spectrum cause severe inband interference and negatively impact the performance of UWB systems, so a compact UWB BPF with multiple notched bands is urgently required to reject these undesired interfering signals [7][8][9][10][11][12][13]. Several structures have been studied in [7,8], but only one notched band is created.…”

Section: Introductionmentioning

confidence: 99%

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Super Compact Microstrip Uwb BPF With Triple-Notched Bands

Liu¹,

Lu²,

He³

et al. 2018

PIER Letters

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Abstract-A new super compact ultra-wideband (UWB) bandpass filter (BPF) with triple-notched bands is presented in this paper. Firstly, a new square ring quad-mode resonator (SRQMR) is employed to obtain the initial UWB BPF. Then, a triple-mode stepped impedance resonator (SIR) is inserted into the initial UWB BPF to achieve three desired notched bands. The proposed triple-mode SIR is found to have the advantages of introducing triple-notched bands and provide a higher degree of freedom to adjust the resonant frequencies. To validate the design concept, a new super compact UWB BPF with triple-notched bands respectively centered at frequencies of 3.7 GHz, 5.2 GHz and 7.8 GHz is designed and measured. The predicted results are compared with measured data, and good agreement is reported.

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Section: Introductionmentioning

confidence: 99%

“…Based on our previous work [13], a new super compact UWB BPF with three narrow notched bands is proposed. The basic UWB BPF is composed of a square ring structure and a quarter-wavelength short-circuited stub.…”

Section: Introductionmentioning

confidence: 99%

Super Compact Microstrip Uwb BPF With Triple-Notched Bands

Liu¹,

Lu²,

He³

et al. 2018

PIER Letters

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“…For example, etching slots on the patch or on the ground plane [10] [11], using asymmetric coupled lines [12], and adding notch resonators [13] [14]. Based on [7], a miniaturized UWB filter formed by a MMR is realized in this paper.…”

Section: Introductionmentioning

confidence: 99%

Miniaturized Planar Ultra-Wideband Bandpass Filter with Notched Band

Xueying¹,

Xu²,

Wang³

2015

JCC

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“…However, the existing wireless networks such as 5.8 GHz WLAN signals and some 8.0 GHz satellite communication systems signals can interfere with UWB systems, thus compact UWB BPFs with multiple notched bands are emergently required to reject these interfering signals [11][12][13][14][15][16][17][18][19][20][21]. To achieve a notched band, a pair of radial impedance resonators are used in [11], and a stepped impedance resonator is employed in [12,13].…”

Section: Introductionmentioning

confidence: 99%

“…However, these methods can only achieve one notched band. Thus, a coupled simplified composite right/left-handed resonator is used in [19], and a novel E-shaped resonator [20,21] to get two notched bands. However, these two designed methods are all that dual-mode resonator is coupled to the main transmission line of the initial UWB BPF to achieve dual noteched bands.…”

Section: Introductionmentioning

confidence: 99%

Compact Microstrip Uwb Bandpass Filter With Two Band-Notches for Uwb Applications

Peng¹,

Luo²,

Zhao³

2014

PIER Letters

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Abstract-A new microstrip ultra-wideband (UWB) bandpass filter (BPF) with dual sharply rejected notched bands based on E-shaped resonator is proposed in this paper. The basic UWB BPF is designed using two microstrip interdigital coupled lines and one rectangular patch multiple-mode resonator (MMR). Then, to achieve dual band-notched performance, the proposed dual-mode E-shaped resonator is investigated and coupled to the rectangular patch multiple-mode resonator of the basic UWB BPF. To validate the design theory, a microstrip UWB BPF with two notch-bands centered at the frequencies of 5.8 GHz and 8.0 GHz, respectively, is designed and fabricated. Both simulation and experimental results are provided with good agreement.

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Compact Microstrip UWB Bandpass Filter With Dual Notched Bands Using E-Shaped Resonator

Cited by 47 publications

References 12 publications

Super Compact Microstrip Uwb BPF With Triple-Notched Bands

Super Compact Microstrip Uwb BPF With Triple-Notched Bands

Miniaturized Planar Ultra-Wideband Bandpass Filter with Notched Band

Compact Microstrip Uwb Bandpass Filter With Two Band-Notches for Uwb Applications

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