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Stable Microvolt source — Parallax Forums

Stable Microvolt source

SydceozSydceoz Posts: 1
edited 2007-01-19 22:05 in BASIC Stamp
Is it possible to use a Stamp to create a·selectable,·utra-stable precision microvolt source of -5 to +20 microvolts?
Maybe this could be achieved by inputting a digital signal·to a·DAC and some sort of feedback mechanism to compensate for any drift due to electrical noise or temperature effects. The Stamp couid controll this.

Comments

  • allanlane5allanlane5 Posts: 3,815
    edited 2007-01-19 22:05
    Stamps aren't good at "ultra-precision". They're very good at TTL and doing stuff in a 10 to 20 mSec timeframe.

    Having said that, op-amps are pretty good at precision. And a BS2 is pretty good at reading an A to D Converter to get feeback from an op-amp. It's possible.
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