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Voltage ratio technique used with the national RF standard attenuation measuring equipment at the PTB

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2 Author(s)
W. Ruhle ; Physikalisch Tech. Bundesanstalt, Braunschweig, Germany ; D. Stumpe

With a new measuring system, the attenuation range of the national RF standard attenuation measuring equipment at the Physikalisch-Technische Bundesanstalt (PTB), Germany, has been extended to 60 db in the waveguide bands R 220 and R 320. Most of the system is automated to shorten the calibration and measurement time. The total uncertainty of measurement is estimated to be 0.0027 dB per 10 dB attenuation

Published in:

IEEE Transactions on Instrumentation and Measurement  (Volume:42 ,  Issue: 6 )