Electronic Resource
[S.l.]
:
American Institute of Physics (AIP)
Review of Scientific Instruments
57 (1986), S. 1440-1441
ISSN:
1089-7623
Source:
AIP Digital Archive
Topics:
Physics
,
Electrical Engineering, Measurement and Control Technology
Notes:
A low-noise preamplifier circuit for use with Halltron HR-66 Hall effect probes in the frequency range dc to 100 kHz, shows a wideband noise of 6- and 2-mG rms for bandwidths of dc to 100 kHz and dc to 100 Hz, respectively. Below 100 Hz the noise is due to the 1/f noise from the Hall probe, while white preamplifier noise dominates above 100 Hz. Above 1 kHz, preamplifier noise exceeds the noise of the Hall probe alone by a factor of five. dc drift of the system is approximately 10 mG in 24 h.
Type of Medium:
Electronic Resource
URL:
http://dx.doi.org/10.1063/1.1138567
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