Title :
Exploring the low-frequency performance of thermal converters using circuit models and a digitally synthesized source
Author :
Oldham, Nile M. ; Avramov-Zamurovic, Svetlana ; Parker, Mark E.
Author_Institution :
Nat. Inst. of Stand. & Technol., Gaithersburg, MD, USA
fDate :
4/1/1997 12:00:00 AM
Abstract :
Low-frequency errors of thermal voltage converters are described and estimated using a circuit model that includes easily measured parameters. A digitally synthesized source is used to confirm the estimated ac-dc differences in the 0.01 Hz to 40 Hz range
Keywords :
measurement standards; transfer functions; voltage measurement; ac-dc differences; circuit models; digitally synthesized source; low-frequency performance; thermal converters; voltage converters; Circuit synthesis; Decision support systems; Frequency measurement; Probes; Resistors; Tellurium; Temperature sensors; Time measurement; Transfer functions; Voltage;
Journal_Title :
Instrumentation and Measurement, IEEE Transactions on