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Dumb question, since I haven't read the article. What constitutes cryogenic temperatures? I worked for a telecom that deployed a lot of equipment at high latit
by mordechai9000 5y ago
Dumb question, since I haven't read the article. What constitutes cryogenic temperatures?
I worked for a telecom that deployed a lot of equipment at high latitude, in places where temperatures could reach -40 or colder. It wasn't my department, but I had the impression that we weren't really paying too much attention to the lower end of the operating range specified by manufacturers. I recall seeing "ice in the feed horn" as a root cause more than once.
- detaro 5y agoA common definition of cryogenic is "below 120K/-153°C", or more general temperatures where "simple" gasses like oxygen/nitrogen/... become liquids.
- onelectrontech 5y agoThat sounds reasonable. I didn't have a specific range in mind, other than "significantly below the minimum specified operating temperature of conventional electronics". The article was mostly focused on space applications, so 120K seems like a good upper bound for extreme cold in these ranges.