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Ka-Band Gap Waveguide Coupled-Resonator Filter for Radio Link Diplexer Application

Esperanza Alfonso (Institutionen för signaler och system, Antenner) ; Ashraf Uz Zaman (Institutionen för signaler och system, Antenner) ; Per-Simon Kildal (Institutionen för signaler och system, Antenner)
IEEE Transactions on Components, Packaging, and Manufacturing Technology (2156-3950). Vol. 3 (2013), 5, p. 870-879.
[Artikel, refereegranskad vetenskaplig]

Gap waveguide technology represents an interesting alternative as low-loss, cost-effective, and high-performance transmission line and package of microwave and millimeter-wave systems. A Ka-band coupled-resonator filter for a radio link diplexer, which requires high selectivity to isolate transmit and receiving channels, is proposed and realized using gap waveguide technology. The band-pass filter, which has a central frequency of 37.37 GHz and a pass bandwidth of 560 MHz, is fabricated between two parallel metal plates, leaving an air gap between them. After milling one of the plates, silver-plating is applied on them. Measurements show a minimum in-band insertion loss of 1 dB and agree quite well with simulations.

Nyckelord: Band pass filters, gap waveguides, microwave filters, millimeter-wave circuits, resonator filters

Denna post skapades 2013-07-01. Senast ändrad 2016-11-29.
CPL Pubid: 179547


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Institutioner (Chalmers)

Institutionen för signaler och system, Antenner (2005-2014)


Elektroteknik och elektronik

Chalmers infrastruktur