DOI: 10.1063/1.1326054. Ultralow noise current amplifier based on a cryogenic current comparator

Ultralow noise current amplifier based on a cryogenic current comparator

10.1063/1.1326054

Crossref journal-article

AIP Publishing

Review of Scientific Instruments (317)

Abstract

This article describes the development of a current amplifier operating at 4.2 K designed for very low current measurements. A cryogenic current comparator with a winding ratio of 10 000/1, a low noise dc superconducting quantum interference device, and a very efficient magnetic shield are combined to reach an equivalent input noise of 4 fA/√Hz in the signal bandwidth and a flicker noise corner around 0.5 Hz.

Bibliography

Gay, F., Piquemal, F., & GenevÃ¨s, G. (2000). Ultralow noise current amplifier based on a cryogenic current comparator. Review of Scientific Instruments, 71(12), 4592â4595.

Authors 3

F. Gay (first)
F. Piquemal (additional)
G. Genevès (additional)

References 16 Referenced 39

10.1063/1.1686674 / Rev. Sci. Instrum. (1974)
10.1109/TIM.1978.4314730 / IEEE Trans. Instrum. Meas. (1978)
{'key': '2024020519595272600_r3'}
10.1103/PhysRevLett.45.494 / Phys. Rev. Lett. (1980)
10.1103/PhysRevLett.11.80 / Phys. Rev. Lett. (1963)
10.1038/360547a0 / Nature (London) (1992)
10.1109/TIM.1974.4314287 / IEEE Trans. Instrum. Meas. (1974)
10.1109/19.58609 / IEEE Trans. Instrum. Meas. (1990)
{'key': '2024020519595272600_r9', 'first-page': '88', 'volume': '25', 'year': '1976', 'journal-title': 'J. Low Temp. Phys.'} / J. Low Temp. Phys. (1976)
{'key': '2024020519595272600_r10', 'first-page': '67', 'volume': '6', 'year': '1970', 'journal-title': 'IEEE Trans. Magn.'} / IEEE Trans. Magn. (1970)
10.1063/1.1662271 / J. Appl. Phys. (1973)
10.1109/19.571884 / IEEE Trans. Instrum. Meas. (1997)
10.1109/77.763255 / IEEE Trans. Appl. Supercond. (1999)
10.1088/0026-1394/35/6/7 / Metrologia (1998)
{'key': '2024020519595272600_r15'}
{'key': '2024020519595272600_r16'}

Dates

Type	When
Created	23 years, 1 month ago (July 26, 2002, 10:14 a.m.)
Deposited	1 year, 6 months ago (Feb. 5, 2024, 3:55 p.m.)
Indexed	5 months ago (April 1, 2025, 1:43 a.m.)
Issued	24 years, 9 months ago (Dec. 1, 2000)
Published	24 years, 9 months ago (Dec. 1, 2000)
Published Print	24 years, 9 months ago (Dec. 1, 2000)

Funders 0

None

BibTeX

@article{Gay_2000, title={Ultralow noise current amplifier based on a cryogenic current comparator}, volume={71}, ISSN={1089-7623}, url={http://dx.doi.org/10.1063/1.1326054}, DOI={10.1063/1.1326054}, number={12}, journal={Review of Scientific Instruments}, publisher={AIP Publishing}, author={Gay, F. and Piquemal, F. and Genevès, G.}, year={2000}, month=dec, pages={4592–4595} }

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