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- D. M. Sheen, S. M. Ali, D. E. Oates, R. S. Withers, J. A. Kong
- IEEE Transactions on Applied Superconductivity
- 1991

A method for the calculation of the current distribution, resistance, and inductance matrices for a system of coupled superconducting transmission lines having finite rectangular cross-section isâ€¦ (More)

- R. S. Withers, G.-C. Liang, B. F. Cole, M. Johansson
- IEEE Transactions on Applied Superconductivity
- 1993

Several planar coil designs, with integral resonating capacitors, are reported using large-area sputtered YBCO films. One design utilizes a distributed interdigital capacitor, while a second exploitsâ€¦ (More)

- M. Spraul, Alina Freund, Rainer Nast, R. S. Withers, Werner E. Maas, Olivia Corcoran
- Analytical chemistry
- 2003

Cryogenic cooling of the NMR radio frequency coils and electronics to give greatly enhanced sensitivity is arguably the most significant recent advance in NMR spectroscopy. Here we report the firstâ€¦ (More)

- G.-C. Liang, D. Zhang, +4 authors D. E. Oates
- IEEE Transactions on Applied Superconductivity
- 1995

We report narrowband microstrip filters with low insertion loss and high power-handling capabilities made from YBa/sub 2/Cu/sub 3/O/sub 7/(-x) high-temperature superconducting films. One 5-poleâ€¦ (More)

- Dawei Zhang, G.-C. Liang, C. F. Shih, R. S. Withers
- Proceedings of 1995 IEEE MTT-S Internationalâ€¦
- 1995

Coupling between microstrip resonators decreases very slowly as a function of the resonator separation. Therefore it is difficult to realize narrowband filters (e.g. <0.1% bandwidth) in microstripâ€¦ (More)

- G C Liang, R. S. Withers, +4 authors W. G. Lyons
- IEEE Transactions on Applied Superconductivity
- 1993

The very low microwave surface resistance of high-temperature-superconductor (HTS) thin films allows the realization of microwave devices with performance superior to those made by conventionalâ€¦ (More)

- Dawei Zhang, G.-C. Liang, C. F. Shih, R. S. Withers, M. E. Johansson, A D Cruz
- IEEE Transactions on Applied Superconductivity
- 1995

A compact forward-coupled microstrip filter structure is presented for narrow-band applications in cellular communications. The structure consists of a parallel array of fully aligned half-wavelengthâ€¦ (More)

- J. T. Lynch, A. C. Anderson, R. S. Withers, P V Wright, S A Reible
- 1982 IEEE MTT-S International Microwave Symposiumâ€¦
- 1982

A new technology for making analog signal-processing devices such as linear-FM chirp filters with time-bandwidth products up to 1000 is being developed using niobium stripline on sapphire.â€¦ (More)

- R. S. Withers
- IEEE Transactions on Sonics and Ultrasonics
- 1984

The effects of acoustic waves on the terminal characteristics of electron devices on piezoelectric semiconductors are considered. The piezoelectric displacement charge is regarded as a timeandâ€¦ (More)

- W. G. Lyons, D Arsenault, M.M. Seaver, R. E. Boisvert, T. C. L. Gerhard Sollner, R. S. Withers
- IEEE Transactions on Applied Superconductivity
- 1993

The implementation of a wideband real-time spectrum-analysis receiver based on YBa/sub 2/Cu/sub 3/O/sub 7-x/ chirp filters and a chirp-transform algorithm is presented. The integration of theâ€¦ (More)