[sdiy] voltage reference advice

[Mike Beauchamp]

Hey Justin,
If I'm already a LM317 for the positive rail supply, why use another
for the voltage reference? Am I wrong in thinking that wouldn't give
me any increased stability and precision?

Mike


On Thu, Feb 24, 2011 at 1:03 PM, Justin Owen <juzowen at googlemail.com> wrote:
> -----Original Message-----
> From: Mike Beauchamp [mikebeauchamp at gmail.com]
>
>> Does anybody have any preferences for voltage references?
>
> I'm a big fan of the LM317 in a TO-92 package.
>
> Replace one of the resistors in the voltage divider that sets your voltage value, with a trimmer and you can calibrate it to exactly the voltage you want.
>
> HTH.
>
> Justin
>
>
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-- 
[mike]