Millimeter-wave band broadband microstrip-waveguide...

Details Millimeter-wave band broadband microstrip-waveguide... Millimeter-wave band broadband microstrip-waveguide...

2006-07-14

2009-02-03

Lee, Benny (Department: 2817)

Wave transmission lines and networks

Coupling networks

Balanced to unbalanced circuits

Reexamination Certificate

active

07486156

ABSTRACT:
Provided is a broadband microstrip-waveguide transition apparatus operating in a millimeter waveband. The millimeter-wave band broadband microstrip-waveguide transition apparatus includes a slot for transferring an electromagnetic signal propagating along a microstrip line, a main patch positioned between the slot and a waveguide and resonating from the signal transferred from the slot, and a parasitic patch positioned between the main patch and the waveguide and resonating together with the main patch. According to the millimeter-wave band broadband microstrip-waveguide transition apparatus, it is possible to transfer a signal from the microstrip line to the waveguide, and to increase a resonance bandwidth to a broadband level.

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‘Gap-coupled patch-type waveguide-to-microstrip transition on single-layer dielectric substrate at V-band’ Choi et al., Electronic Letters, vol. 40, No. 17, Aug. 19, 2004.

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