[time-nuts] High accuracy temp controller ckt

[Poul-Henning Kamp]

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In message <CANX10hBua_yuFWrWTeDyhDLp_TNxoCvZvomjaynCEbk1W_=ahA at mail.gmail.com>
, "Dr. David Kirkby" writes:

>I partially read the paper mentioned. I note that the authors used a thermo
>electric cooler (TEC) as they wanted get low temperatures.

Cooling GigaOhm resistors makes sense, Johnson/Nyquist noise is
proportional to the product of absolute temperature and resistance.

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