Measurement Techniques

, Volume 8, Issue 4, pp 344–348 | Cite as

Problem of measuring large VSWRs

  • E. B. Zal'tsman
  • V. E. Poyarkova
High and Ultrahigh Frequency Measurements


There exists for each VSWR an immersion area (or zone) in which the error due to the probe conductance is insignificant. Therefore, large VSWR values should be measured with immersions corresponding to that area (see Fig. 3).

The probe immersion ranges in commercial measuring lines can be considerably extended (at the present time they do not exceed 50%), thus making it possible to measure the largest existing VSWR values without resorting to expensive equipment.


Physical Chemistry Analytical Chemistry Expensive Equipment Measuring Line Probe Conductance 
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Literature cited

  1. 1.
    Measurement Techniques at Centimeter Wavelengths, Part 1 [in Russian], “Sovetskoe radio” Press, Moscow (1949).Google Scholar
  2. 2.
    F. Tisher, Measurement Techniques at Ultrahigh Frequencies [in Russian], Fizmatgiz (State Press for Physical and Mathematical Literature), Moscow (1963).Google Scholar
  3. 3.
    L. N. Bryanskii, Precise Measurements of Voltage Standing Wave Ratios and Impedances at Centimeter Wavelengths [in Russian], Standartgiz (State Standards Press), Moscow (1963).Google Scholar
  4. 4.
    E. L. Ginston, Measurements at Centimeter Wavelengths [Russian translation], Edited by G. A. Remez, IL, Moscow (1960), p. 340.Google Scholar
  5. 5.
    L. Levin, Modern Waveguide Theory [Russian translation], IL, Moscow (1954), p. 103.Google Scholar

Copyright information

© Instrument Society of America 1965

Authors and Affiliations

  • E. B. Zal'tsman
  • V. E. Poyarkova

There are no affiliations available

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