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Title: Fast flux locked loop

Abstract

A flux locked loop for providing an electrical feedback signal, the flux locked loop employing radio-frequency components and technology to extend the flux modulation frequency and tracking loop bandwidth. The flux locked loop of the present invention has particularly useful application in read-out electronics for DC SQUID magnetic measurement systems, in which case the electrical signal output by the flux locked loop represents an unknown magnetic flux applied to the DC SQUID.

Inventors:
 [1];  [2]
  1. (Olathe, KS)
  2. Independence, MO
Issue Date:
Research Org.:
Kansas City Plant (KCP), Kansas City, MO (United States)
OSTI Identifier:
874724
Patent Number(s):
6448767
Application Number:
09/596,135
Assignee:
Honeywell International, Inc. (Morris County, NJ)
Patent Classifications (CPCs):
G - PHYSICS G01 - MEASURING G01R - MEASURING ELECTRIC VARIABLES
DOE Contract Number:  
AC04-76DP00613
Resource Type:
Patent
Country of Publication:
United States
Language:
English
Subject:
fast; flux; locked; loop; providing; electrical; feedback; signal; employing; radio-frequency; components; technology; extend; modulation; frequency; tracking; bandwidth; useful; application; read-out; electronics; dc; squid; magnetic; measurement; systems; output; represents; applied; electrical signal; magnetic flux; modulation frequency; feedback signal; frequency component; /324/327/

Citation Formats

Ganther, Jr., Kenneth R., and Snapp, Lowell D. Fast flux locked loop. United States: N. p., 2002. Web.
Ganther, Jr., Kenneth R., & Snapp, Lowell D. Fast flux locked loop. United States.
Ganther, Jr., Kenneth R., and Snapp, Lowell D. Tue . "Fast flux locked loop". United States. https://www.osti.gov/servlets/purl/874724.
@article{osti_874724,
title = {Fast flux locked loop},
author = {Ganther, Jr., Kenneth R. and Snapp, Lowell D},
abstractNote = {A flux locked loop for providing an electrical feedback signal, the flux locked loop employing radio-frequency components and technology to extend the flux modulation frequency and tracking loop bandwidth. The flux locked loop of the present invention has particularly useful application in read-out electronics for DC SQUID magnetic measurement systems, in which case the electrical signal output by the flux locked loop represents an unknown magnetic flux applied to the DC SQUID.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2002},
month = {9}
}

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Works referenced in this record:

A Digital Flux-Locked Loop for High Temperature SQUID Magnetometer and Gradiometer Systems with Field Cancellation
book, January 2000


Sequential read-out architecture for multi-channel SQUID systems
journal, June 1999


Integrated dc SQUID magnetometer with a high slew rate
journal, June 1984


Squid Fundamentals
book, January 1996


Advanced Squid Read-Out Electronics
book, January 1996


Some Broad-Band Transformers
journal, August 1959