Oops. Sorry, i meant Martin, obviously. 2011/6/22 Roman Haefeli <reduz...@gmail.com>
> On Wed, 2011-06-22 at 15:06 +0200, Pierre Massat wrote: > > Thank you all for your advice. > > > > @Roman : what type of op-amp do you use? > > I guess, it was Martin Peach who suggested using an op-amp. However, I > think many common ones will do. > > Roman > > >
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