[sdiy] VCO comparator's reference voltage - rail OK?

Neil Harper metadata at gmx.com
Sun Mar 28 22:46:34 CEST 2021

On 3/28/21 4:37 PM, Tom Bugs wrote:
> I'm also curious why REF03 - that's the 2.5V one, whereas the REF01
> would be a 10V ref.
> I know many use the REF02 (5V) in euro (is 10V ref ok on +/-12V euro
> setups?)
> I use the 10V LM4040 for references & pots for manual control - I like
> that value as it gives 10oct at 1V/oct, a good sort of range.
> I find it makes resistor values streamline nicely too.
> Personally I never really tried AD parts, though note their strong lineage.
> LM4040s are available in a good range of voltages, accuracies & temp.
> stability values.
> On 28/03/2021 21:14, Pete Hartman wrote:
>> What's wrong with the cheaper LM4040's?

i have a drawer full of LM431's so i'll use that unless there's a reason
not to?

/// Neil Harper
/// Every Wave is New Until it Breaks

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