Hello Dieter,

Thank you for your reply.
Everything is clear.
I managed to get two of my A156's within nice specs (read: same behaviour)
I have two others to check but now I know how to adjust them really fine.
Thank you again.

Jacco

Verstuurd vanaf mijn iPhone SE Lunatik

Op 18 aug. 2016 om 09:44 heeft yahoo@... 1 < Doepfer_a100@yahoogroups.com > het volgende geschreven:

>> Hello Dieter,
>>
>>
>> I have an issue with the A156.
>>
>> Besides the small notes on your website about tuning the A156 is
>> there a more specific thing to measure
>> Between the steps of 0.0833333 V there is a small window of quantizing.
>> When the voltage goes up and down there it switches differently.
>> I ask this because I used the P4 with a reference voltage of 1.00
>> , 2.00 , 3.00 and 4,00V.
>> Afterwards I used P1 and P2 to adjust but then I lost it a bit.
>> Within voltage steps everything seems ok but now I"ll have to put
>> the 0,083333 steps one by one and see if the output follows right
>> Where are the points where the quantizer switches
>> What is the factorysetting for that, when going voltage up and when down.
>>
>> Hope that I made a clear explaination.
>>
>> Best regards.
>>
>> Jacco Ville
>> The Netherlands
>
> I'd recommend to adjust the CV outputs with a wide spread (e.g. 0/5V). The
> difference has to be as close as possible to 5.00V (e.g. +0.016 and +5.016V
> or -0.03 and +4.97V), the absolute values are not important. The CV values
> in between are defined by the precision (linearity) of the used DAC and
> cannot be adjusted.
>
> Best wishes
> Dieter Doepfer
>
>
>
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