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Frequency dependence of 50-Ω coaxial open-circuit reflection standard

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2 Author(s)
Dibeneditto, J. ; US Air Force, RADC, Hanscom AFB, USA ; Uhlir, A.

The effective position of the open circuit in precision 7-mm 50-Ω coaxial transmission line is found experimentally to be located beyond the physical end of the center conductor by a distance 1.198+2.69×10-10f2 millimeters at f megahertz (<;18000). Because this determination is substantially identical to published theoretical values, the open circuit is recommended as a calibration standard for network analyzers.

Published in:

Instrumentation and Measurement, IEEE Transactions on  (Volume:IM-30 ,  Issue: 3 )