RF-DC differences of micropotentiometers

RF-DC differences of micropotentiometers

Various sources for the RF-DC differences of micropotentiometers (micropots) are analyzed and calculated. The results are shown to agree well with experimental values. A new design is introduced that reduces the RF-DC differences of the micropots significantly. Observations show good stability over...

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Veröffentlicht in:IEEE transactions on instrumentation and measurement 1997-04, Vol.46 (2), p.337-341
Hauptverfasser: De Xiang Huang, Rebuldela, G., Harper, J.D.
Format: Artikel
Sprache:eng
Schlagworte:
Applied sciences
Conductors
Current measurement
Electronic equipment and fabrication. Passive components, printed wiring boards, connectics
Electronics
Exact sciences and technology
Frequency
Impedance
Inductance
Resistance heating
Resistors
Tellurium
Transmission line measurements
Voltage
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Beschreibung
Zusammenfassung:Various sources for the RF-DC differences of micropotentiometers (micropots) are analyzed and calculated. The results are shown to agree well with experimental values. A new design is introduced that reduces the RF-DC differences of the micropots significantly. Observations show good stability over a long period. This makes the micropot suitable as a primary RF and audio standard in the microvolt and millivolt ranges.
ISSN:0018-9456
1557-9662
DOI:10.1109/19.571851