Mode conversion at GCPW-to-microstrip-line transitions

Mode conversion at GCPW-to-microstrip-line transitions

Mode conversion at the transition between grounded coplanar waveguide (GCPW) and microstrip line is demonstrated. Experimental results show the effect of overmoding in a conductor-backed coplanar waveguide on the transition behavior. A simple micromachining solution is used to cancel the parasitic m...

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Veröffentlicht in:IEEE transactions on microwave theory and techniques 2000-01, Vol.48 (1), p.158-161
Hauptverfasser: Raskin, J.-P., Gauthier, G., Katehi, L.P., Rebeiz, G.M.
Format: Artikel
Sprache:eng
Schlagworte:
Conductors (devices)
Conversion
Coplanar waveguides
Electromagnetic waveguides
Feeds
Frequency
Insertion loss
Integrated circuit packaging
Micromachining
Microstrip
Microstrip lines
Microwaves
Millimeter wave integrated circuits
Millimeter wave measurements
Millimeter wave technology
Noise levels
Packaging
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Beschreibung
Zusammenfassung:Mode conversion at the transition between grounded coplanar waveguide (GCPW) and microstrip line is demonstrated. Experimental results show the effect of overmoding in a conductor-backed coplanar waveguide on the transition behavior. A simple micromachining solution is used to cancel the parasitic modes triggered by the transition in the GCPW feed line. This results in an insertion loss of 0.3 dB and a return loss better than -18 dB from 75 to 110 GHz. The transition can prove very useful for millimeter-wave packaging and interconnects.
ISSN:0018-9480
1557-9670
DOI:10.1109/22.817486