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  4. A 94GHz HEMT-oscillator using high order subharmonic synchronization
 
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2000
Conference Paper
Title

A 94GHz HEMT-oscillator using high order subharmonic synchronization

Other Title
Ein 94 GHz HEMT Oszillator mit subharmonischer Synchronisation hoher Ordnung
Abstract
A new approach for the stabilization of millimeterwave solid state oscillators using high order subharmonic injection locking is presented. A 94 GHz VCO MMIC was developed, consisting of the oscillator circuit and an integrated harmonic generator, based on GaAs PHEMT technology. The oscillator can be stabilized by injection power levels of -45 dBm at 94 GHz using the reflection type injection locking technique, allowing reference frequencies as low as the 15th to 21st subharmonic as the input for the harmonic generator. Additionally, an injection locked PLL was developed, which improves the locking range from 30 MHz to 1 GHz, using the 21st subharmonic as a reference signal.
Author(s)
Kudszus, S.
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Berceli, T.
Tessmann, Axel  
Neumann, M.
Haydl, W.
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Mainwork
IEEE MTT-S International Microwave Symposium Digest 2000  
Conference
International Microwave Symposium (IMS) 2000  
DOI
10.1109/MWSYM.2000.860880
Language
English
Fraunhofer-Institut für Angewandte Festkörperphysik IAF  
Keyword(s)
  • HEMT

  • MMIC

  • oscillator

  • Oszillator

  • phase noise

  • Phasenrauschen

  • VCO

  • subharmonic injection locking

  • subharmonische Synchronisation

  • PLL

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