Wide Band Superconducting Microstrip Delay Line

Hieng Su; [No Value] [No Value]; Frederick Huang; Michael Lancaster

doi:10.1109/TMTT.2004.837147

Wide Band Superconducting Microstrip Delay Line

Hieng Su, [No Value] [No Value], Frederick Huang, Michael Lancaster

Electronic, Electrical and Systems Engineering

Research output: Contribution to journal › Article › peer-review

16 Citations (Scopus)

Abstract

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 YBa2Cu3O7-delta(YBCO) thin film deposited on both sides of a 2-in-diameter LaAIO(3) 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, In 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 us.

Original language	English
Pages (from-to)	2482-2487
Number of pages	6
Journal	IEEE Transactions on Microwave Theory and Techniques
Volume	52
Issue number	11
DOIs	https://doi.org/10.1109/TMTT.2004.837147
Publication status	Published - 1 Nov 2004

Keywords

high-temperature superconductors (HTSs)
delay lines
superconducting transmission lines
microstrip

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10.1109/TMTT.2004.837147

Cite this

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title = "Wide Band Superconducting Microstrip Delay Line",

abstract = "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 YBa2Cu3O7-delta(YBCO) thin film deposited on both sides of a 2-in-diameter LaAIO(3) 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, In 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 us.",

keywords = "high-temperature superconductors (HTSs), delay lines, superconducting transmission lines, microstrip",

author = "Hieng Su and {[No Value]}, {[No Value]} and Frederick Huang and Michael Lancaster",

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doi = "10.1109/TMTT.2004.837147",

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AU - Huang, Frederick

AU - Lancaster, Michael

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N2 - 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 YBa2Cu3O7-delta(YBCO) thin film deposited on both sides of a 2-in-diameter LaAIO(3) 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, In 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 us.

AB - 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 YBa2Cu3O7-delta(YBCO) thin film deposited on both sides of a 2-in-diameter LaAIO(3) 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, In 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 us.

KW - high-temperature superconductors (HTSs)

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KW - superconducting transmission lines

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JO - IEEE Transactions on Microwave Theory and Techniques

JF - IEEE Transactions on Microwave Theory and Techniques

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Wide Band Superconducting Microstrip Delay Line

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Keywords

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