[sdiy] Cryogenic Synthesizer Construction?

[Scott Bernardi]

Nope. Liquid nitrogen is only -70C.  -273C is absolute zero - that's
liquid hydrogen temperatures!
In my engineering days we used liquid nitrogen to cool the test chambers
to -50C for testing military spec'd IC's.

Paul Maddox wrote:
> 
> Martin,
> 
> "And the winner of understatement of the year goes to Martin for ;-"
> 
> > No. Even automotive or military semiconductors are speced to a lower
> > limit of -50C. Liquid nitro is cooler I guess.
> 
> hehehe, just a touch
> -273C I think isnt it?
> 
> hehehe
> Paul Joining in the fun
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-- 
Scott Bernardi
sbernardi at home.net