Progress in Superconductivity
- 제1권2호
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- Pages.81-84
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- 2000
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- 1229-4764(pISSN)
Junction, Circuit and System Developments for a High-$T_c$ Superconductor Sampler
- Hidaka, M. (Fundamental Research Laboratories, NEC Corporation) ;
- Satoh, T. (Fundamental Research Laboratories, NEC Corporation) ;
- Tahara, S. (Fundamental Research Laboratories, NEC Corporation)
- 발행 : 2000.02.29
초록
A Josephson sampler circuit using high-Tc superconductor (HTS) ramp-edge junctions has been designed, fabricated, and experimentally tested. It consists of five ramp-edge junctions with a stacked groundplane and is based on single-flux-quantum (SFQ) operations. The sampler was used to measure current waveforms at picosecond and microampere resolutions. We are developing a system based on the sampler for measuring the current waveform in a room-temperature sample. And measuring current flowing through wiring in a semiconductor large-scale integrated circuit is a promising application for the HTS sampler system.