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Wide-band superconducting microstrip delay line

Wide-band superconducting microstrip delay line

Su, Hieng Tiong, Wang, Yi, Huang, F. and Lancaster, M.J. (2004) Wide-band superconducting microstrip delay line. Microwave Theory and Techniques, IEEE Transactions on, 52 (11). pp. 2482-2487. ISSN 0018-9480 (doi:

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This paper describes the design, fabrication, and testing of a novel microstrip superconducting delay line. The structure of the delay line is a double-spiral meander line. The device is patterned from a YBa 2Cu3Or7-δ(YBCO) thin film deposited on both sides of a 2-in-diameter LaAIO3 substrate with a thickness of 0.25 mm. It exhibits low insertion loss up to 20 GHz. At 10 GHz, the measured attenuation is 0.031 dB/ns at 30 K, 0.049 dB/ns at 60 K, and 0.118 dB/ns at 77 K. The magnitudes of the ripples are below 2 dB across the entire band. The total delay at low frequency is approximately 29 ns.

Item Type: Article
Additional Information: [1] Journal has other title: IEEE Transactions on Microwave Theory and Techniques. [2] Date of current version: 8 November 2004.
Uncontrolled Keywords: delay lines, high-temperature superconductors (HTSs), microstrip, superconducting transmission lines
Subjects: T Technology > TK Electrical engineering. Electronics Nuclear engineering
Pre-2014 Departments: School of Engineering > Mobile & Wireless Communications Research Laboratory
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Last Modified: 14 Oct 2016 09:24

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