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Digitale Medien

A compact, bipolar, constant–current-voltage source for superconducting junction characterization (1989)

Lin, M. Z. ; Song, S. N. ; Jin, B. Y. ; [weitere]

[S.l.] : American Institute of Physics (AIP)

Review of Scientific Instruments 60 (1989), S. 3822-3824

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Details

ISSN: 1089-7623

Quelle: AIP Digital Archive

Thema: Physik , Elektrotechnik, Elektronik, Nachrichtentechnik

Notizen: A versatile, compact, constant current-voltage, bipolar power source for quasi-static or derivative measurements of the characteristics of superconducting junctions has been developed. The circuitry is based on a negative feedback strategy that is effective in maintaining constant current-voltage behavior at the junction itself and all lead resistances are included in the feedback loop. Constant currents and voltages can be delivered of up to ±0.5 A and ±0.75 V, respectively. Both fast and slow sweeps, as well as a single sweep mode, are available in variable ranges. The single sweep feature is used to avoid heating effects in low resistance junctions which are not in good thermal contact with a thermal reservoir (e.g., liquid 4 He).

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1063/1.1140449

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