2009/6/26 Kirk Wallace <[email protected]>: > Either way, a 2n3904 is much less expensive than a DAC. > One concern is, how much error will be introduced?
If you use an Op-Amp as your buffer, then almost no error will be introduced and you don't need any external components. They only cost pennies, too. Just make sure you get a rail-to-rail one. http://talkingelectronics.com/projects/OP-AMP/OP-AMP-1.html -- atp ------------------------------------------------------------------------------ _______________________________________________ Emc-users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/emc-users
