No. This is a prototype.

I think I will use a voltage divider made with resistors to get the 0.5V
from the 4.5V I have, as most of you suggested.

Thanks all for your time.

Alvaro Deibe.

----- Original Message -----
From: "Alan Shinn" <alshinn@MINDSPRING.COM>
To: <PICLIST@MITVMA.MIT.EDU>
Sent: Thursday, July 04, 2002 10:41 AM
Subject: Re: [PIC]: Precision 0.5V reference for AD


> Why not just use 2 precision resistors to make a voltage divider off of
> your 4.5 volts. If that's not close enough, just trim it in with your
> voltmeter and 1 more small resistor in series with the appropriate
> resitor (or a large value in parallel)
> Or do you want to manufacture these circuits?

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