Calculation of external circuit impedances of mm-wave oscillator cavities by a rigorous field analysis method

  • Wei Hong
  • Sifan Li


This paper presents a generalized field analysis method for calculating the external circuit impedances looking outside from the active devices of some millimeter wave oscillators. For a simple oscillator model with a radial disc and a diode existing in a rectangular waveguide, the numerical results are in agreement with the experimental data. Impedance characteristics for several different oscillator configurations are given, and some useful conclusions for oscillator design are derived.


Experimental Data Field Analysis Impedance Characteristic Generalize Field Oscillator Model 
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  1. [1]
    K. H. Doring: High transformation ratio for impedance matching with a radial line, Electro. Lett. Vol. 16 No. 2, Januray 1980.Google Scholar
  2. [2]
    Zhende Wu: Theoretical study on the radial line transformer in a rectangular waveguide, Electron. Lett. Vol. 20 No. 6 March 1984.Google Scholar

Copyright information

© Plenum Publishing Corporation 1989

Authors and Affiliations

  • Wei Hong
    • 1
  • Sifan Li
    • 1
  1. 1.Research Institute of EMF and MicrowavesSoutheast UniversityNanjingPeople's Republic of China

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