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  4. Push-Push Oscillators for 94 and 140 GHz Applications using standard pseudomorphic GaAs HEMTs
 
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2001
Conference Paper
Title

Push-Push Oscillators for 94 and 140 GHz Applications using standard pseudomorphic GaAs HEMTs

Other Title
Auf einer kommerziellen, pseudomorphen Gallium-Arsenid-Technologie basierende Push-Push-Oszillatoren für die Anwendung bei 94 und 140 GHz
Abstract
Millimeter wave harmonic oscillators taking advantage of the push-push principle are demonstrated, allowing the use of the second harmonic of the oscillators to extend the applicable frequency range of standard pseudomorphic HEMTs to 94 and 140 GHz. Two configuration schemes are realized. An improved approach using a drain-connected pair of oscillators for efficient and compact circuit design and high output power is presented. Using this approach, oscillators at 94 GHz and 135 GHz were developed, with more than 0 dBm and -2 dBm output power and a high suppression of the fundamental signal of 38 dBc and 20 dBc, respectively. All MMICs were realized in a standard 0.13 ìm pHEMT technology using optical stepper lithography.
Author(s)
Kudszus, S.
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Haydl, W.H.
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Tessmann, Axel  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Bronner, Wolfgang  
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Schlechtweg, M.
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Mainwork
A microwave odyssey. IEEE MTT-S International Microwave Symposium digest 2001. Vol.3  
Conference
International Microwave Symposium (IMS) 2001  
Language
English
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Keyword(s)
  • push-push oscillator

  • Push-Push-Oszillator

  • coplanar waveguide

  • koplanarer Wellenleiter

  • MMIC

  • GaAs

  • PHEMT

  • W-band

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