Read-out electronics for DC squid magnetic measurements

Snapp, Lowell D

Title: Read-out electronics for DC squid magnetic measurements

Patent · Tue Jan 01 00:00:00 EST 2002

OSTI ID:874592

Snapp, Lowell D ^[1]

Independence, MO

Read-out electronics for DC SQUID sensor systems, the read-out electronics incorporating low Johnson noise radio-frequency flux-locked loop circuitry and digital signal processing algorithms in order to improve upon the prior art by a factor of at least ten, thereby alleviating problems caused by magnetic interference when operating DC SQUID sensor systems in magnetically unshielded environments.

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Research Organization:: Kansas City Plant (KCP), Kansas City, MO (United States)

DOE Contract Number:: AC04-76DP00613

Assignee:: Honeywell International Inc. (Morris County, NJ)

Patent Number(s):: US 6420868

OSTI ID:: 874592

Country of Publication:: United States

Language:: English

References (7)

A Digital Flux-Locked Loop for High Temperature SQUID Magnetometer and Gradiometer Systems with Field Cancellation Kraus, R. H.; Bracht, R.; Flynn, E. R. Biomag 96: Volume 1/Volume 2 Proceedings of the Tenth International Conference on Biomagnetism, p. 63-66 https://doi.org/10.1007/978-1-4612-1260-7_16	book	January 2000
Sequential read-out architecture for multi-channel SQUID systems Matlashov, A.; Kraus, R. H.; Espy, M. IEEE Transactions on Appiled Superconductivity, Vol. 9, Issue 2 https://doi.org/10.1109/77.783825	journal	June 1999
Integrated dc SQUID magnetometer with a high slew rate Wellstood, Frederick; Heiden, C.; Clarke, John Review of Scientific Instruments, Vol. 55, Issue 6 https://doi.org/10.1063/1.1137871	journal	June 1984
Squid Fundamentals Clarke, John; Weinstock, Harold SQUID Sensors: Fundamentals, Fabrication and Applications, p. 1-62 https://doi.org/10.1007/978-94-011-5674-5_1	book	January 1996
A direct current superconducting quantum interference device gradiometer with a digital signal processor controlled flux‐locked loop and comparison with a conventional analog feedback scheme Kung, P. J.; Bracht, R. R.; Flynn, E. R. Review of Scientific Instruments, Vol. 67, Issue 1 https://doi.org/10.1063/1.1146575	journal	January 1996
Advanced Squid Read-Out Electronics Drung, Dietmar; Weinstock, Harold SQUID Sensors: Fundamentals, Fabrication and Applications, p. 63-116 https://doi.org/10.1007/978-94-011-5674-5_2	book	January 1996
Some Broad-Band Transformers Ruthroff, C. Proceedings of the IRE, Vol. 47, Issue 8 https://doi.org/10.1109/JRPROC.1959.287200	journal	August 1959

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Related Subjects

read-out
electronics
dc
squid
magnetic
measurements
sensor
systems
incorporating
johnson
noise
radio-frequency
flux-locked
loop
circuitry
digital
signal
processing
algorithms
improve
prior
factor
alleviating
caused
interference
operating
magnetically
unshielded
environments
digital signal
signal process
/324/505/

Title: Read-out electronics for DC squid magnetic measurements

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References (7)

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