[time-nuts] Temperature sensors and bridge amps

[Poul-Henning Kamp]

In message <4CDD1FCE.4050108 at xtra.co.nz>, Bruce Griffiths writes:

>Its usually better to use an AC bridge (to minimise the effect of 
>thermoemfs) or equivalent technique with lower sensor dissipation.

Hehe, I just finished doodleing an idea to use a chopper scheme to
cancel out seebek effects and op-amp offset...

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