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Die TUNNETT-Diode als selbstmischender Oszillator

A self-mixing TUNNETT-diode-oscillator

  • Terahertz-Technologie
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Übersicht

Die TUNNETT-Diode wird in der Anwendung als selbstmischender Oszillator untersucht. Die wichtigsten Bauelementeigenschaften für diese Anwendung sind das Rauschen und der Gleichrichteffekt. Mit TUNNETT-Dioden kann im W-Band ein Konversionsgewinn bis zu 28 dB bei −20 dBm Ausgangsleistung erzielt werden, das zugehörige MDS liegt bei −148 dBm in 1 Hz Bandbreite. Der optimale Systemwert RTL ist 148 dB für eine Modulationsfrequenz von 100 kHz.

Contents

The TUNNETT-Diode as self-mixing oscillator is described. Noise performance and back-bias-effect are important for this application. A conversion gain of 28 dB and a corresponding minimum detectable signal of −148 dBm in 1 Hz bandwidth were measured at −20 dBm output power level. The best achieved value for RTL was 148 dB at a modulation frequency of 100 kHz.

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Authors and Affiliations

  1. Lehrstuhl für Allgemeine Elektrotechnik und Angewandte Elektronik, Technische Universität München, Arcisstr. 21, D-80290, München, Deutschland

    M. Pöbl, M. Claassen & J. Freyer

Authors
  1. M. Pöbl
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  2. M. Claassen
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  3. J. Freyer
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Pöbl, M., Claassen, M. & Freyer, J. Die TUNNETT-Diode als selbstmischender Oszillator. Archiv f. Elektrotechnik 77, 21–24 (1993). https://doi.org/10.1007/BF01574917

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  • DOI: https://doi.org/10.1007/BF01574917

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