NDLI: A real-time DAQ system for a Kinetic Inductance Detector

Content Provider	IEEE Xplore Digital Library
Author	Capasso, L. Branchini, P. Budano, A. Marchetti, D.
Copyright Year	2014
Description	Author affiliation: Ist. Naz. di Fis. Nucleare, Rome, Italy (Capasso, L.; Branchini, P.; Budano, A.; Marchetti, D.)
Abstract	A processor-based Data Acquisition System (DAQ) for an array of Kinetic Inductance Detectors (KIDs) is described. KIDs are superconductive bolometers, in which any incident radiation could change the inductance of the detector. An array of N KIDs is composed of N detectors, each one resonating on its own frequency. A feed-line passes close to each KID and delivers a unique Stimulus signal containing all the resonant frequencies. If one of the KID detects some radiation, its sinusoidal component in the readout signal would have its intensity reduced and its phase shifted. The DAQ system we developed is based on several state machines and a microprocessor embedded into an FPGA and a DAC/ADC board. The system generates a Stimulus signal for an array of 128 KIDs, by producing and adding up 128 sinusoids parted by one MHz. The Stimulus is in the form of a Look-Up Table, and it is provided to the DAC device that sends it through the KIDs array. It is then read back by the ADC device. The microprocessor stores the read back data via a PCI bus into a disk. It also elaborates the Fast Fourier Transforms of both the Stimulus and the acquired data: this allows to extrapolate which KID interacted and the energy of the impinging radiation. Tests have been performed with success and experimental results will be presented.
Starting Page	1
Ending Page	3
File Size	687140
Page Count	3
File Format	PDF
e-ISBN	9781479936595
DOI	10.1109/RTC.2014.7097490
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-05-26
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Detectors Arrays Resonant frequency Inductance Kinetic theory Data acquisition Field programmable gate arrays
Content Type	Text
Resource Type	Article

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

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