Title :
Synthesis of precision AC waveforms using a SINIS Josephson junction array
Author :
Williams, J.M. ; Kleinschmidt, P. ; Janssen, T.J.B.M. ; Patel, Pragati ; Behr, R. ; Muller, F. ; Kohlmann, J.
Author_Institution :
Nat. Phys. Lab., Teddington, UK
Abstract :
A synthesizer of precision AC waveforms based on a SINIS Josephson junction array has been developed. The array is divided into 15 segments in a binary series and the segments are individually biased using a high speed bias source with a 100 ns rise time. The design considerations and accuracy limitations of the system are discussed and comparisons between the synthesizer and thermal converters are presented.
Keywords :
measurement standards; superconducting arrays; superconductor-normal-superconductor devices; voltage measurement; waveform generators; 100 ns; SINIS Josephson junction array; accuracy limitations; binary series array segments; design considerations; high speed bias source; individually biased segments; precision AC waveform synthesizer; rise time; thermal converters; AC generators; Analog-digital conversion; Binary sequences; Calibration; Capacitance; Coaxial cables; Impedance; Josephson junctions; Laboratories; Synthesizers;
Conference_Titel :
Precision Electromagnetic Measurements, 2002. Conference Digest 2002 Conference on
Conference_Location :
Ottawa, Ontario, Canada
Print_ISBN :
0-7803-7242-5
DOI :
10.1109/CPEM.2002.1034906
