Talk:Josephson voltage standard
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Latest comment: 1 year ago by 178.193.249.141 in topic Input microwave frequency vs voltage
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...operating at 4 K...
editRe: "...operating at 4 K...", shouldn't there be a degree symbol? --Guy Macon (talk) 00:13, 16 January 2017 (UTC)
- No, see kelvin. SpinningSpark 00:45, 16 January 2017 (UTC)
- Ah. I learned that long ago but it had slipped my mind. See [ http://physics.nist.gov/cuu/pdf/sp811.pdf ] section 4.2.1.1. I personally think it was rather dumb to use the same letter to signify kelvin and to signify 1024 bytes, but I doubt that the International System of Quantities cares what I think. :( --Guy Macon (talk) 04:16, 16 January 2017 (UTC)
Input microwave frequency vs voltage
edithi, thanks for the good work in explaining such a standard. It nowhere escapes me how you get 10V from 20208 junctions, and what microwave frequency is applied. Finally, but the beyond the subject, why isn't a Cesium or Rubidium frequency standard directly used? Could it bring even more accuracy? 178.193.249.141 (talk) 19:03, 22 November 2022 (UTC)