Title :
Polyphase synthesizer for unlike-impedance intercomparison system
Author :
Callegaro, L. ; D´Elia, V. ; Bava, E. ; Galzerano, G. ; Svelto, C.
Author_Institution :
Electr. Metrol. Dept., Ist. Elettrotecnico Nazionale Galileo Ferraris, Torino, Italy
Abstract :
The system for four-terminal pair intercomparison of unlike impedances of IEN has now been provided with a new direct-digital synthesis generator, having multiple outputs, isolation among the channels, and high amplitude and frequency stability. Experimental results in the new and old configuration are shown and compared.
Keywords :
direct digital synthesis; electric impedance measurement; direct digital synthesis generator; four-terminal pair intercomparison system; polyphase synthesizer; unlike impedances; DC generators; Frequency; Impedance measurement; Noise generators; Noise level; Optical noise; Phase noise; Stability; Synthesizers; Voltage;
Conference_Titel :
Precision Electromagnetic Measurements, 2002. Conference Digest 2002 Conference on
Conference_Location :
Ottawa, Ontario, Canada
Print_ISBN :
0-7803-7242-5
DOI :
10.1109/CPEM.2002.1034777
