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High temperature superconductor lumped element resonator

High temperature superconductor lumped element resonator

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© The Institution of Electrical Engineers
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The authors have studied a high temperature superconducting (HTS) lumped element resonator consisting of an inductance and capacitance in parallel. It has a low power unloaded quality factor Qo in excess of 9000 at 5.7GHz and 1K. The resonator is just over 1 mm square significantly smaller than any other device with comparable Q at this centre frequency. The authors also investigate the implementation of the resonator in a bandstop filter.

Inspec keywords: microwave filters; superconducting junction devices; high-temperature superconductors; resonators; Q-factor; superconducting microwave devices

Other keywords: lumped element resonator; 5.7 GHz; centre frequency; unloaded quality factor; bandstop filter; 1 K; high temperature superconducting

Subjects: Waveguide and microwave transmission line components; Superconducting junction devices

References

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      • T. Weeks . Resistive and inductive skin effect in rectangular conductors. IBM J. Res. Devel. , 6 , 652 - 660
    2. 2)
      • A. Porch , M.J. Lancaster , R.G. Humphreys , N.G. Chew . Nonlinear microwave surface impendence of patterned YBa2Cu3O7 thin films. J. Alloys Comp , 563 - 566
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      • S.M. Sheen , S.M. Ali , D.E. Oates , R.S. Withers , J.A. Kong . Current distribution, resistance and inductance for superconducting strip transmission lines. IEEE Trans. Applied Superconductivity , 2 , 108 - 115
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