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1 Bulletin of the Polish Academy of Sciences. Technical Sciences

1 2013

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Noise properties of thin-film Ni-P resistors embedded in printed circuit boards

Stadler A. W., Zawiślak Z., Stęplewski W., Dziedzic A.

Bulletin of the Polish Academy of Sciences. Technical Sciences

2013

Vol. 61, nr 3

731--735

Noise studies of planar thin-film Ni-P resistors made in/on Printed Circuit Boards, both covered with two different types of cladding or uncladded have been described. The resistors have been made of the resistive-conductive-material (Ohmega-Ply©) of 100 Ώ/sq. Noise of the selected pairs of samples has been measured in the DC resistance bridge with a transformer as the first stage in a signal path. 1/f noise caused by resistance fluctuations has been found to be the main noise component. Parameters describing noise properties of the resistors have been calculated and then compared with the parameters of other previously studied thin- and thick-film resistive materials.