Structure for precise positioning of inserts in waveguide filters

Stefanovski, Snezana Lj; Potrebić, Milka; Tošić, Dejan V.

doi:10.1109/telfor.2013.6716322

Cited by 4 publications

(2 citation statements)

References 1 publication

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“…25c. The detailed explanation regarding filter fabrication along with the structures designed to hold the inserts can be found in [30,31]. A comparison of the simulated and measured amplitude responses shows their good agreement, as can be seen in Fig.…”

Section: Precise Positioning Of Insertsmentioning

confidence: 76%

“…Fabrication of the flat metal inserts is relatively simple; however, supporting plates and fixtures are needed in order to have stable inserts inside the waveguide [6,30]. In [3,28] a detailed explanation regarding filter fabrication can be found, including the implementation of the structure for precise positioning of inserts.…”

Section: Multi-band Bandpass Filter Designmentioning

confidence: 99%

See 1 more Smart Citation

Design of microwave waveguide filters with effects of fabrication imperfections

Mrvić¹,

Stefanovski-Pajovic²,

Potrebić³

et al. 2017

FACTA U EE

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This paper presents results of a study on a bandpass and bandstop waveguide filter design using printed-circuit discontinuities, representing resonating elements. These inserts may be implemented using relatively simple types of resonators, and the amplitude response may be controlled by tuning the parameters of the resonators. The proper layout of the resonators on the insert may lead to a single or multiple resonant frequencies, using single resonating insert. The inserts may be placed in the E-plane or the H-plane of the standard rectangular waveguide. Various solutions using quarter-wave resonators and splitring resonators for bandstop filters, and complementary split-ring resonators for bandpass filters are proposed, including multi-band filters and compact filters. They are designed to operate in the X-frequency band and standard rectangular waveguide (WR-90) is used. Besides three dimensional electromagnetic models and equivalent microwave circuits, experimental results are also provided to verify proposed design. Another aspect of the research represents a study of imperfections demonstrated on a bandpass waveguide filter. Fabrication side effects and implementation imperfections are analyzed in details, providing relevant results regarding the most critical parameters affecting filter performance. The analysis is primarily based on software simulations, to shorten and improve design procedure. However, measurement results represent additional contribution to validate the approach and confirm conclusions regarding crucial phenomena affecting filter response.

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Section: Precise Positioning Of Insertsmentioning

confidence: 76%

Section: Multi-band Bandpass Filter Designmentioning

confidence: 99%

Design of microwave waveguide filters with effects of fabrication imperfections

Mrvić¹,

Stefanovski-Pajovic²,

Potrebić³

et al. 2017

FACTA U EE

View full text Add to dashboard Cite

show abstract

Fabrication parameters affecting implementation of waveguide bandpass filter with complementary split-ring resonators

et al. 2016

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A Novel Compact Dual-Band Bandpass Waveguide Filter

Stefanovski

Potrebić

Toic

et al. 2015

2015 IEEE 18th International Symposium on Design and Diagnostics of Electronic Circuits &Amp; Systems

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A novel design of second-order dual-band H-plane bandpass waveguide filter is presented in this paper. Filter design is relatively simple and is based on the use of complementary split ring resonators, implemented as metal septa, with properly shaped slots, in the transverse planes of the standard (WR-90) rectangular waveguide. The positions of the resonators on the same septum are chosen in such a manner that there is no mutual coupling between them. This approach is used for the design of the waveguide resonator with two resonant frequencies (9 GHz and 11 GHz). Further, the second-order dual-band bandpass waveguide filter, with symmetrically positioned folded septa, is presented. The equivalent circuits of the considered resonators and filters are developed. The proposed dual-band bandpass filter design is verified by a good agreement of the filter responses obtained for three-dimensional electromagnetic models and equivalent microwave circuits. Finally, the method for filter miniaturization is introduced and applied to the second-order dual-band filter. The required filter response is preserved. Keywords-bandpass waveguide filter; complementary split ring resonator; dual-band bandpass filter; miniaturizationI.

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Structure for precise positioning of inserts in waveguide filters

Cited by 4 publications

References 1 publication

Design of microwave waveguide filters with effects of fabrication imperfections

Design of microwave waveguide filters with effects of fabrication imperfections

Fabrication parameters affecting implementation of waveguide bandpass filter with complementary split-ring resonators

A Novel Compact Dual-Band Bandpass Waveguide Filter

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