Title :
Magnetic-field pickup for low-frequency radio-interference measuring sets
Author :
Epstein, M. ; Schulz, R.B.
Author_Institution :
Illinois Inst. Tech., Chicago, Ill.
Abstract :
A magnetic-field pickup has been developed utilizing the Hall effect in intermetallic semiconductors. Unlike a loop pickup, the sensor responds to magnetic flux density and thus is independent of frequency. Due to its extremely small size, it makes possible the measurement of magnetic fields in constricted regions. When used in conjunction with ferrite flux collectors, its sensitivity is 10-7gauss in the range of 30 cps to 15 kc. Details of design and construction are given.
Keywords :
Ferrites; Frequency; Hall effect; Intermetallic; Magnetic field measurement; Magnetic flux; Magnetic flux density; Magnetic semiconductors; Magnetic sensors; Size measurement;
Journal_Title :
Electron Devices, IRE Transactions on
DOI :
10.1109/T-ED.1961.14710