Articles with "bandpass filter" as a keyword



Compact quasi‐elliptic bandpass filter with high selectivity using short‐circuited coupled line

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Published in 2019 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.31982

Abstract: A design strategy of a bandpass filter (BPF) with sharp roll‐off and improved stopband performances is presented in this paper. The proposed filter prototype consists of a couple of parallel‐coupled stepped‐impedance resonators (SIRs) and two… read more here.

Keywords: circuited coupled; short circuited; compact quasi; bandpass filter ... See more keywords

Compact dual‐band bandpass filter using a modified hexagonal split ring resonator

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Published in 2020 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32258

Abstract: In this article, a compact dual‐band bandpass filter (BPF) is studied and designed by utilizing a modified hexagonal split ring resonator (H‐SRR). The modified H‐SRR consists of a classical H‐SRR loaded by an open‐stepped impedance… read more here.

Keywords: compact dual; modified hexagonal; band bandpass; dual band ... See more keywords

New approach design of compact tri‐band microstrip bandpass filter based on combined stepped‐impedance resonator and triangular patches

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Published in 2020 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32442

Abstract: In this article, a compact microstrip tri‐band bandpass filter based on a rectangular ring resonator (RRR) and two triangular patch resonators is presented. This filter is designed to operate at 3.5, 5.2, and 8 GHz… read more here.

Keywords: filter based; microstrip; filter; band ... See more keywords

A miniaturized low‐cost microstrip‐to‐coplanar waveguide transition‐based ultra‐wideband bandpass filter with multiple transmission zeros

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Published in 2020 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32482

Abstract: This article presents a dual notched ultra‐wideband (UWB) bandpass filter (BPF) with good frequency characteristics realized on a low‐cost dielectric. The proposed structure is based on the surface‐to‐surface transition technology, with microstrip lines aligned face‐to‐face… read more here.

Keywords: ultra wideband; low cost; filter; coplanar waveguide ... See more keywords

Bandpass filter using coupled‐line‐stub cascaded structure with high stopband rejection

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Published in 2020 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32555

Abstract: A compact fifth‐order bandpass filter (BPF) with high stopband rejection level is proposed using a coupled‐line‐stub cascaded structure (CLS‐CS). Based on transversal signal‐interference technique, the CLS‐CS is introduced to improve the characteristics of the filter,… read more here.

Keywords: stopband; stopband rejection; high stopband; using coupled ... See more keywords

Meta‐grounded bandpass filter with broad upper‐stopband

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Published in 2021 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32781

Abstract: In this paper, a novel meta‐grounded planar bandpass filter is presented, facilitating much broader upper stopband. The proposed filter is comprised of a strip layer on the top, a dielectric laminate in the middle and… read more here.

Keywords: bandpass filter; upper stopband; filter; meta grounded ... See more keywords

Flexible design of W‐band bandpass filter with multiple transmission zeros

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Published in 2021 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.32915

Abstract: In this paper, a novel E‐plane waveguide bandpass filter with multiple transmission zeros is proposed in W‐band. The center frequency and bandwidth of this filter can be flexibly designed. Stripe line resonators and L‐shaped resonators… read more here.

Keywords: transmission; band; transmission zeros; filter multiple ... See more keywords

A novel 3D metal printing in‐line bandpass filter with multiple controllable transmission zeros

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Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.34127

Abstract: In this paper, a novel three‐pole bandpass filter with a pair of controllable transmission zeros (TZs) is proposed first. The proposed structure is based on asymmetric dual‐postresonators and two external resonators. The fundamental mode and… read more here.

Keywords: bandpass; transmission zeros; mode; bandpass filter ... See more keywords

High selectivity wideband two‐channel bandpass filter for 5G microwave communication systems

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Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.34289

Abstract: A two‐channel high‐selectivity, wideband bandpass filter has been presented. This is based on a microstrip mixed‐impedance resonator and defected ground structure with the mixed coupling strategy. Two pairs of peripheral stepped‐impedance resonator (SIR) structures are… read more here.

Keywords: high selectivity; selectivity wideband; two channel; bandpass filter ... See more keywords

Compact Microstrip Quasi‐Elliptic Bandpass Filter With Ultrabroad Reflectionless Range and High Selectivity

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Published in 2024 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.70029

Abstract: In this letter, a method of designing quasi‐elliptic bandpass filter with ultrabroad reflectionless bandwidth and high selectivity is proposed. It is implemented on the basis of a quasi‐elliptic absorptive lowpass filter (ALPF) prototype that features… read more here.

Keywords: filter; quasi elliptic; bandpass filter; ultrabroad reflectionless ... See more keywords

A W‐Band Bandpass Filter With Two Controllable Transmission Zeros Based on Rectangular Resonators

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Published in 2025 at "Microwave and Optical Technology Letters"

DOI: 10.1002/mop.70094

Abstract: In this paper, an improved W‐band bandpass filter for the W‐band synthetic aperture radar (SAR) system with a center frequency of 96 GHz is designed and implemented. Compared with the conventional rectangular waveguide resonator filters, two… read more here.

Keywords: filter; band bandpass; transmission zeros; bandpass filter ... See more keywords