NDLI: Semiconductor-Tuned High-T Superconductor Filters for Ultrasensitive RF Receivers (SURF): Technology development and evaluation

Content Provider	IEEE Xplore Digital Library
Author	Cerny, C.L.A. Fisher, V.G. McCartney, J.T. Ovenshire, D.A.
Copyright Year	2011
Description	Author affiliation: Air Force Research Laboratory, Wright-Patterson AFB, OH, USA, 45433 (Cerny, C.L.A.) \|\| MacAulay-Brown, Wright-Patterson AFB, OH, USA, 45433 (Fisher, V.G.; McCartney, J.T.; Ovenshire, D.A.)
Abstract	The DARPA/STO Semiconductor-Tuned High Temperature Superconductor Filters for Ultrasensitive RF Receivers (SURF) Program was initiated for the purpose of detecting small signals in a dense background of radio-frequency (RF) interference. The specifications for these filters include exceptional operational bandwidth, low insertion loss, high out-ofband rejection, and microsecond tuning times, addressing applications beyond those of commercially available switched-tuned bandpass or fixed-notch bandpass filters. The Air Force Research Laboratory lead a team of collaborators including MacAulay-Brown, the University of Dayton Research Institute and the Naval Research Laboratory to technically guided the four SURF contractors, as well as independently characterized the SURF program's tunable RF receiver subsystem. An engineering level description of the rack mount system with tunable filter bank operating at cryogenic temperatures (77K) will be provided. Detailed test results of the SURF technology operating over two frequency bands (800–1100 MHz and 1500–1850 MHz) with 512 programmed tuned filter states, show out-of-band rejection of at least 80dB, insertion loss below 1dB, and switching times between filter states of one microsecond. Measured test data will be presented. Integration of the SURF technology into innovative receiver architectures for challenging RF defense applications will be discussed.
Starting Page	352
Ending Page	355
File Size	569660
Page Count	4
File Format	PDF
ISBN	9781457710407
ISSN	05473578
e-ISBN	9781457710414
DOI	10.1109/NAECON.2011.6183131
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-07-20
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Filter banks Superconducting filters Tuning Resonator filters Microwave filters Switches Tunable Bandpass Filters High-Temperature Superconducting Electronics Cryogenic Semiconductors
Content Type	Text
Resource Type	Article

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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
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