50-OHM MULTIJUNCTION THERMAL CONVERTERS FOR AC VOLTAGE MEASUREMENTS UP TO 100 MHz

Thomas E. Lipe

Abstract

Multijunction thermal converters (MJTCs) are in use as standards for ac voltage measurements at frequencies up to 100 MHz. At the National Institute of Standards and Technology (NIST), MJTCs based on glassy substrates with 50 Ω input impedances are being developed to align more closely with common practice at high frequencies. Preliminary results indicate that 50 Ω MJTCs with excellent properties can be successfully fabricated.

Keywords

RF-DC Difference, thermal converters, ac voltage, measurement

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IMEKO-WC-2015-TC4-129.pdf

DOI

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IMEKO TC

TC4 - Measurement of Electrical Quantities

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