An on-line digital phase sensitive detector in the range 2 mHz-2 kHz

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Gerritsma, G.J. and Weezep, W.J. van and Overweg, J.A. and Flokstra, J. (1983) An on-line digital phase sensitive detector in the range 2 mHz-2 kHz. Journal of Physics E: Scientific Instruments, 16 (4). p. 270. ISSN 0022-3735

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Abstract:A digital phase sensitive detector (PSD) has been designed and built which may be used in conjunction with a SQUID-based AC susceptibility measurement system. The system operates in a useful frequency range from 2 mHz-2 kHz and measures both in-phase and the quadrature component. The digital PSD, which is based on a small minicomputer, corrects for DC drift and flux quantum jumps of the SQUID and operates in 'real time'. An analysis of its design and several properties and measuring results are presented
Item Type:Article
Copyright:IOP
Faculty:
Science and Technology (TNW)
Link to this item:http://purl.utwente.nl/publications/60548
Official URL:http://dx.doi.org/10.1088/0022-3735/16/4/009
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