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Calorimetric thermal voltage converter as a wideband calculable standard of AC-DC difference

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3 Author(s)
P. S. Filipski ; Inst. for Nat. Meas. Stand., Nat. Res. Council of Canada, Ottawa, Ont., Canada ; R. F. Clark ; D. C. Paulusse

A calorimetric thermal voltage converter is used at the National Research Council of Canada as a high-frequency reference standard of the Ac-DC transfer difference. This paper describes its redesigned realization with an optimized frequency characteristic. Results presented in the paper show that it can be used as a standard of AC-DC difference in the 1 Hz to 100 MHz frequency range. The agreement between the calculated and measured AC-DC transfer differences is better than ±10 μV/V at 10 MHz, and ±300 μV/V at 100 MHz

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IEEE Transactions on Instrumentation and Measurement  (Volume:48 ,  Issue: 2 )