Title :
Response of Hall probes in the ultra-acoustic frequency range
Author_Institution :
Ist. Elettrotecnico Nazionale Galileo Ferraris, Torino, Italy
Abstract :
A setup for measurement of frequency response of Hall probes in the ultra-acoustic range is described. Field is probed inside a coaxial circuit with circular and axial symmetry, minimizing variations of field distribution with frequency and offering calculable geometry. Probe signal, and current signal from a high-frequency shunt, are acquired both with a lock-in amplifier and an ac voltmeter.
Keywords :
Hall effect transducers; magnetic sensors; ultrasonic measurement; ultrasonic transducers; Hall probes; ac voltmeter; axial symmetry; calculable geometry; circular symmetry; coaxial circuit; current signal; field distribution; frequency response; high-frequency shunt; lock-in amplifier; ultra-acoustic frequency range; Calibration; Coaxial components; Conductors; Frequency; Geometry; Hall effect devices; Magnetic field measurement; Magnetic flux; Probes; Voltmeters;
Conference_Titel :
Precision Electromagnetic Measurements Digest, 1998 Conference on
Conference_Location :
Washington, DC, USA
Print_ISBN :
0-7803-5018-9
DOI :
10.1109/CPEM.1998.700066
