--- PJH scritto: > The data sheet is a bit obscure but > there is a test cct shown operating > on 3.3V. Just wondering if using 3 > diodes to drop the Vcc would be OK? only if the current is costant.... elsewere the vcc is NOT ok. You can also use a zener, or not? :-) but a VR like 317 can function ok :-) > It's just that Vcc then becomes a > little uncertain for different > diodes. Would that upset things? it is NOT good practice to have vcc NOT regulated === Giacomo Schieppati, e-mail: gschieppati@yahoo.it e-mail URGENTI: gschieppati@i.am e-mail alcooliche: giac@beer.com ICQ: 34514036 ______________________________________________________________________ DO YOU YAHOO!? Il tuo indirizzo gratis e per sempre @yahoo.it su http://mail.yahoo.it