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Packaging of microstrip circuits using bed of springs to suppress cavity modes - a replacement for bed of nails

Eva Rajo-Iglesias (Institutionen för signaler och system, Antenner) ; Per-Simon Kildal (Institutionen för signaler och system, Antenner) ; A.A. Kishk
IEEE MTT 2010 International Microwave Symposium (IMS2010), Anaheim, CA, May 23-28, 2010 (0149-645X). p. 405 - 408 . (2010)
[Konferensbidrag, refereegranskat]

The bed of nails has been demonstrated to be very useful in the design of new confined gap waveguide appearing between parallel metal plates with texture, as well as for removing cavity modes in microstrip circuit packages. As the bed of nails is bulky at low frequencies due to the required height of the nails, a new version of this periodic structure is proposed herein, based on helices instead of nails. Thus, the bed of nails is replaced by a bed of springs. The bed of springs is much more compact for use at low frequencies, and its bandwidth turns out to be similar. Thus, the new spring mattress approach is more comfortable than the Fakirs bed of nails at low frequencies.

Denna post skapades 2010-08-24. Senast ändrad 2013-08-23.
CPL Pubid: 125108


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Institutioner (Chalmers)

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


Elektroteknik och elektronik

Chalmers infrastruktur