Miniature Microwave Bandpass Filter Based on EBG Structures

Zhurbenko, Vitaliy; Krozer, Viktor; Meincke, Peter

doi:10.1109/eumc.2006.281038

Cited by 6 publications

(3 citation statements)

References 7 publications

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“…Some frequency band in microwave application can be filtered using quarter wave open end and short end stubs along a transmission line but these structures has narrow bands and devices are quite large [5].Ferrite films have been used for microwave devices because of their planner geometry and 2D coupling mechanism. Manufacturing these films and integrating it into the planar circuit are still complicated and expensive procedure.…”

Section: Introductionmentioning

confidence: 99%

Microwave study of planar honeycomb EBG lattice with hexagonal basis points

Kapoor

Daya

2011

2011 IEEE Applied Electromagnetics Conference (AEMC)

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Hexagonal basis for EBG lattice structures have been reported due to their capability to accommodate maximum numbers of neighbors resulting closed packed array of hexagonal patches ideal for steerable devices for navigation. Present work reports the analysis of hexagonal basis in honeycomb metallo-dielectric lattice structure in Ka band. Hexagonal EBG are designs at λ g /6 wavelength and are fed by microstripline from the back plane. Simulation and experiments shows that the stop band characteristics is observed from 32 GHz to 42 GHz frequency range.

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Section: Introductionmentioning

confidence: 99%

Microwave study of planar honeycomb EBG lattice with hexagonal basis points

Kapoor

Daya

2011

2011 IEEE Applied Electromagnetics Conference (AEMC)

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“…Quarter-wavelength coupled-line sections are attractive for microwave filter design, because of their relatively small dimensions and simple analysis technique [5][6][7]. Unfortunately, the greater the bandwidth, the smaller the line spacing required to enhance the coupling, which limits coupled line implementation for wideband application.…”

Section: Introductionmentioning

confidence: 99%

Miniature wideband filter based on coupled‐line sections and quasi‐lumped element resonator

Zhurbenko

Krozer

Meincke

2007

Micro & Optical Tech Letters

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should be a trade-off between the specific coverage and detection range. The proposed antenna (490 ϫ 490 mm 2 ) has been successfully used to configure an HF RFID smart table prototype for a restaurant to count food plates and bill costumers automatically. The performance test has shown that the antenna is capable of detecting 90 plastic plates and achieving a detection rate of 100% when it was installed below a wood/plastic

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“…Among various types of microstrip filters, one of the most common implementations is based on the quarter-wavelength coupledline sections [2]. It is widely used due to relatively small dimensions and simple analysis techniques [3,4]. However, the out-of-band rejection level of the traditional parallelcoupled bandpass filter is degraded by spurious response at twice the center frequency.…”

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confidence: 99%

Improvement of stopband performance in parallel-coupled bandpass filters using quasi-lumped elements

Zhurbenko

Krozer

Meincke

2008

2008 IEEE MTT-S International Microwave Symposium Digest

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-This paper is aimed at improving the rejection level as well as overcoming the bandwidth limitations for classical coupled-line filters. A planar microwave coupled-line filter employing a quasi-lumped element resonator considerably improving the stopband characteristics is presented. The proposed bandpass filter has a compact footprint, and exhibits good stopband rejection with no repeated passband at twice the center frequency in comparison with the traditional coupled-line filter. By introducing the quasi-lumped element resonator, two transmission zeros at upper and lower stopbands are created, with adjustable locations of transmission zeros for desired performance. The device is fabricated in standard thick-film manufacturing technology. Based on parallel-coupled line theory, the impedance inverter model for this device is developed. The passband filter centered at 5.5 GHz with a 3 dB relative bandwidth of 60 % is implemented with an area of approximately 1J6 x 1J4. Measured and simulated results exhibit good agreement.

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Miniature Microwave Bandpass Filter Based on EBG Structures

Abstract: Abstract-A new design of a planar microwave filter, based on rejection band properties of an electrically small electromagnetic bandgap (EBG) structure, is proposed.

Cited by 6 publications

References 7 publications

Microwave study of planar honeycomb EBG lattice with hexagonal basis points

Microwave study of planar honeycomb EBG lattice with hexagonal basis points

Miniature wideband filter based on coupled‐line sections and quasi‐lumped element resonator

Improvement of stopband performance in parallel-coupled bandpass filters using quasi-lumped elements

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