Economical compact waveguide band-pass filter with circular posts

Li, Hong; Wang, Hongtao; Liu, Rongjun; Zhang, Xianrong

doi:10.1109/icmmt.2008.4540373

Cited by 2 publications

(2 citation statements)

References 4 publications

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“…Waveguide bandstop filters are usually employed in order to prevent these possible hazardous effects on human tissues. The scientific literature on this topic is very extensive: these sorts of filters may be based on short-circuited stubs [3], resonant structures [4,5], metallic posts [6][7][8][9][10][11][12][13] or irises [14][15][16][17][18][19] to name a few. In particular, if we focus on filters that make use of any kind of irises or posts, some previous work can be found in the technical literature.…”

Section: Introductionmentioning

confidence: 99%

“…Thus, in [7] the effect of multiple inductive posts in a rectangular waveguide was studied. The first filter application that made use of cylindrical posts was presented in [8], and from that moment several alternatives for modeling and designing these filters were developed (equivalent circuits [9], full wave modeling [10] or CAD design [11]), ending in contributions such as [12] and [13], where posts are employed to implement bandstop and bandpass filters, respectively.…”

Section: Introductionmentioning

confidence: 99%

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A new sensor-based self-configurable bandstop filter for reducing the energy leakage in industrial microwave ovens

Clemente‐Fernández¹,

Monzó‐Cabrera²,

Pedreño-Molina³

et al. 2012

Meas. Sci. Technol.

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Abstract. In this work a new sensor-based self-configurable waveguide bandstop filter that uses a combination of metallic irises and reconfigurable posts for reducing the energy leakage in industrial microwave ovens is presented and validated through a procedure fully based on measurements. Several optimization and reconfiguration alternatives of the moving posts such as genetic algorithms and parametric sweeps are assessed. Results show that good attenuation values can be obtained for all the analyzed scenarios. In particular, genetic algorithms are shown as the best search strategy. Design and optimization times are also reduced when using the proposed filter compared to computer simulations.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

A new sensor-based self-configurable bandstop filter for reducing the energy leakage in industrial microwave ovens

Clemente‐Fernández¹,

Monzó‐Cabrera²,

Pedreño-Molina³

et al. 2012

Meas. Sci. Technol.

View full text Add to dashboard Cite

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A Compact, Wideband Waveguide Bandpass Filter Using Complementary Loaded Split Ring Resonators

Bage¹,

Das²

2016

PIER C

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This paper presents a Complementary Loaded Split Ring Resonator (CLSRR) based compact, wideband, waveguide bandpass filter. Three identical CLSRRs were fabricated and placed on the transverse plane of a standard WR-90 waveguide at a quarter wavelength distance to form the filter. The proposed filter was initially simulated using Ansoft HFSS (version 14) and then fabricated and measured. The measured result shows a fractional bandwidth of 18.80% at 10.05 GHz. Total length of the filter is only 20.33 mm which is compact enough. Detailed design procedure has been presented along with the equivalent circuit of the filter. A table has been provided to compare the performance of the proposed filter with those already available in the literatures. The table shows that the proposed filter is compact and has higher bandwidth, lower insertion loss and higher return loss.

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Economical compact waveguide band-pass filter with circular posts

Cited by 2 publications

References 4 publications

A new sensor-based self-configurable bandstop filter for reducing the energy leakage in industrial microwave ovens

A new sensor-based self-configurable bandstop filter for reducing the energy leakage in industrial microwave ovens

A Compact, Wideband Waveguide Bandpass Filter Using Complementary Loaded Split Ring Resonators

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