Superconducting ultrahigh-speed time domain reflectometry measurement system for electrical characterization of transmission line structures

Autor: Katsuya Kikuchi, Hiroshi Sato, Masahiro Aoyagi, Hiroshi Nakagawa, Hiroshi Akoh
Rok vydání: 2003
Předmět:
Zdroj: Superconductor Science and Technology. 16:1434-1437
ISSN: 1361-6668
0953-2048
DOI: 10.1088/0953-2048/16/12/025
Popis: A superconducting Josephson sampling measurement system with excellent time resolution on the picosecond scale is a highly useful tool for analysing ultrahigh-speed electrical signals in a cryogenic environment. The Josephson sampling circuit was designed and fabricated with high-Jc Nb/AlOx/Nb junction integrated circuit technology. A time domain reflectometry (TDR) measurement system using a superconducting sampling circuit and a superconducting step signal generator has been developed. TDR measurement of superconducting microstrip lines was successfully carried out with a 6 ps rise time step signal. The electrical characterization of the microstrip lines was achieved.
Databáze: OpenAIRE