A dual SQUID linearization concept using a phase modulation scheme

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dc.contributor.authorBasso V.G.
dc.contributor.authorPerold W.J.
dc.contributor.authorLourens J.G.
dc.date.accessioned2011-05-15T16:01:44Z
dc.date.available2011-05-15T16:01:44Z
dc.date.issued1998
dc.description.abstractA critical control system evaluation is presented of basic flux-locked loop systems. The development of a new superconducting quantum interference device (SQUID) linearization method is then described, where no magnetic flux feedback is necessary to cancel the applied flux. It is shown that a dual SQUID configuration will be able to produce a true phase modulation system that is easily demodulated with a phase-locked loop. The theoretical performance of the proposed configuration is verified by simulations, and the performance and limitations are discussed in detail. It is shown that small dc correction voltages at the output of the SQUID's significantly decrease output noise, as is the case with an increase in SQUID dc bias currents. An optional feedback system is also described for optimal performance of the dual SQUID configuration. © 1998 IEEE.
dc.description.versionShort Survey
dc.identifier.citationIEEE Transactions on Applied Superconductivity
dc.identifier.citation8
dc.identifier.citation3
dc.identifier.issn10518223
dc.identifier.urihttp://hdl.handle.net/10019.1/12126
dc.subjectComputer simulation
dc.subjectControl system analysis
dc.subjectControl system synthesis
dc.subjectFeedback control
dc.subjectLinearization
dc.subjectMagnetometers
dc.subjectPhase locked loops
dc.subjectPhase modulation
dc.subjectSpurious signal noise
dc.subjectBasic flux-locked loop systems
dc.subjectSQUIDs
dc.titleA dual SQUID linearization concept using a phase modulation scheme
dc.typeShort Survey
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