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DC voltage standard array
Voltage3.jpg
Josephson Voltage Standard chip mounted on carrier
  • Chip carrier with a 10 Volt Josephson Voltage Standard circuit.

  • 10 Volt Josephson Voltage Standard circuit with 19700 SIS Josephson junctions (JJ), the operating frequency is 75 GHz.

  • With subsequent formula the voltage will be traced back to a frequency, and frequencies can be controlled extraordinary precisely
 
 
V = (n × f) / KJ90, definition 1990: KJ90 = 483,597.9 GHz / V
V Josephson voltage
KJ90
 Josephson constant
n integer
f
 operating frequency

 
Publications Voltage Standard
 

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