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  • 1
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    Design aspects and comparison between high Tc superconducting coplanar waveguide and microstrip line (1991)
    In:  Other Sources
    Details
    Publication Date: 2019-08-28
    Description: The high T sub c superconducting microstrip line and coplanar waveguide are compared in terms of the loss characteristics and the design aspects. The quality factor Q values for each structure are compared in respect to the same characteristic impedance with the comparable dimensions of the center conductor of the coplanar waveguide and the strip of the microstrip line. Also, the advantages and disadvantages for each structure are discussed in respect to passive microwave circuit applications.
    Keywords: ELECTRONICS AND ELECTRICAL ENGINEERING
    Type: In: Superconductivity applications for infrared and microwave devices II; Proceedings of the Meeting, Orlando, FL, Apr. 4, 5, 1991 (A93-27243 09-33); p. 57-65.
    Format: text
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    NASA TECHNICAL REPORTS
  • 2
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    Design aspects and comparison between high T(sub c) superconducting coplanar waveguide and microstrip line (1991)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: The high T sub c superconducting microstrip line and coplanar waveguide are compared in terms of the loss characteristics and the design aspects. The quality factor Q values for each structure are compared in respect to the same characteristic impedance with the comparable dimensions of the center conductor of the coplanar waveguide and the strip of the microstrip line. Also, the advantages and disadvantages for each structure are discussed in respect to passive microwave circuit applications.
    Keywords: ELECTRONICS AND ELECTRICAL ENGINEERING
    Type: NASA-TM-105142 , E-6416 , NAS 1.15:105142 , Optical Engineering and Photonics in Aerospace Sensing Symposium; Apr 01, 1991 - Apr 05, 1991; Orlando, FL; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
  • 3
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    Performance and modeling of superconducting ring resonators at millimeter-wave frequencies (1990)
    In:  CASI
    Details
    Publication Date: 2019-07-13
    Description: Microstrip ring resonators operating at 35 GHz were fabricated from laser ablated YBCO thin films deposited on lanthanum aluminate substrates. They were measured over a range of temperatures and their performance compared to identical resonators made of evaporated gold. Below 60 Kelvin the superconducting strip performed better than the gold, reaching an unloaded Q approximately 1.5 times that of gold at 25 K. A shift in the resonant frequency follows the form predicted by the London equations. The Phenomenological Loss Equivalence Method is applied to the ring resonator and the theoretically calculated Q values are compared to the experimental results.
    Keywords: ELECTRONICS AND ELECTRICAL ENGINEERING
    Type: NASA-TM-102526 , E-5334 , NAS 1.15:102526 , 1990 IEEE MIT-S International Microwave Symposium; May 08, 1990 - May 10, 1990; Dallas, TX; United States
    Format: application/pdf
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    NASA TECHNICAL REPORTS
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