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  4. Coplanar switches in PHEMT technology from X- to W-Band
 
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1997
Conference Paper
Title

Coplanar switches in PHEMT technology from X- to W-Band

Other Title
Koplanare Schalter in PHEMT-Technologie von X- bis W-Band
Abstract
AlGaAs/InGaAs/GaAs PHEMT switching elements, combined with coplanar waveguide technology have been investigated to realize switches from X-band through W-band. Experimentally determined models, which apply over a range of 1-120 GHz, were used for the coplanar lines and elements. Several switch topologies, compatible with the active MMIC technology, have been designed and analyzed. With two different concepts for the X-band switches, we achieved insertion losses of 1.3/1.7 dB and isolations of 30/45 dB at 10 GHz. At W-band we obtained 2.9/3.2 dB insertion losses and isolations of 22/16 dB at 76 and 94 GHz, respectively.
Author(s)
Züfle, K.
Haydl, W.
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Massler, Hermann
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Bosch, R.
Schneider, J.
Mainwork
27th European Microwave Conference and Exhibition 1997. Conference proceedings. Vol.1  
Conference
European Microwave Conference and Exhibition (EuMC) 1997  
Language
English
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Keyword(s)
  • coplanar

  • HEMT

  • koplanar

  • microwave

  • Mikrowelle

  • Schalter

  • switch

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