NDLI: Design of Digital DROS With SFQ Up/Down Counter for Wide Dynamic Operation Range

Content Provider	IEEE Xplore Digital Library
Author	Myoren, H. Kimimoto, Y. Terui, K. Taino, T.
Copyright Year	2002
Abstract	We designed a digital double relaxation oscillation SQUID (DROS) with an SFQ up/down counter. The DROS is connected to a feedback SQUID loop and a signal magnetic flux is input to the feedback SQUID loop. The DROS generates two kinds of voltage pulses corresponding to the total magnetic flux in the feedback SQUID loop. Two kind of voltage pulses are converted to SFQ and anti-SFQ pulses and input to the feedback SQUID loop to keep the magnetic flux in the SQUID loop constant. The number of the generated SFQ pulses is counted using the SFQ up/down counter. Thus, the count corresponds to the input magnetic flux. Because the SFQ up/down counter is operated in the pulse driven mode, the digital DROS needs only dc bias current for operation. We designed and fabricated a digital DROS with a relaxation oscillation frequency of 3 GHz and an 8-bit SFQ up/down counter. Numerical simulation suggested the designed digital DROS has a dynamic range exceeding ±100 Φ₀ and magnetic flux slew rate of 3 × 10⁹ Φ₀/s.
Sponsorship	Council on Superconductivity Appl. Superconductivity Conference Inc MIT
Starting Page	387
Ending Page	390
Page Count	4
File Size	562702
File Format	PDF
ISSN	10518223
Volume Number	21
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radiation detectors SQUIDs Superconducting magnets Oscillators Frequency locked loops Dynamic range System-on-a-chip up/down counter Digital SQUID DROS dynamic range SFQ circuit slew rate
Content Type	Text
Resource Type	Article
Subject	Condensed Matter Physics Electronic, Optical and Magnetic Materials Electrical and Electronic Engineering

Sl.	Authority	Responsibilities	Communication Details
1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

Double relaxation oscillation SQUID with a 4JL on-chip digital flux locked-loop circuit

Wide Dynamic Range Analog FLL System Using High- $T_{c}$ SQUID for Biomagnetic Measurements

High slew rate 'channel equalized' DC SQUID flux-locked loop: concept and simulation

Wide Dynamic Range Analog Flux-Locked Loop System Using Low-T_c SQUID for MCG Measurements Without MSR

Development of Digital FLL System for SQUID Using Double Counter Method

Asynchronous Digital SQUID Magnetometer With an On-Chip Magnetic Feedback for Improvement of Magnetic Resolution

Development of Digital FLL System for SQUID Using Double Counter Method

A single-chip SQUID having an improved superconducting storage-loop

A Wide Power Supply Range, Wide Tuning Range, All Static CMOS All Digital PLL in 65 nm SOI

Design of Digital DROS With SFQ Up/Down Counter for Wide Dynamic Operation Range

Similar Documents

Double relaxation oscillation SQUID with a 4JL on-chip digital flux locked-loop circuit

Wide Dynamic Range Analog FLL System Using High- $T_{c}$ SQUID for Biomagnetic Measurements

High slew rate 'channel equalized' DC SQUID flux-locked loop: concept and simulation

Wide Dynamic Range Analog Flux-Locked Loop System Using Low-Tc SQUID for MCG Measurements Without MSR

Development of Digital FLL System for SQUID Using Double Counter Method

Asynchronous Digital SQUID Magnetometer With an On-Chip Magnetic Feedback for Improvement of Magnetic Resolution

Development of Digital FLL System for SQUID Using Double Counter Method

A single-chip SQUID having an improved superconducting storage-loop

A Wide Power Supply Range, Wide Tuning Range, All Static CMOS All Digital PLL in 65 nm SOI

Design of Digital DROS With SFQ Up/Down Counter for Wide Dynamic Operation Range

Wide Dynamic Range Analog Flux-Locked Loop System Using Low-T_c SQUID for MCG Measurements Without MSR