Am 08.03.2012 13:10, schrieb dir_marillion:

>
> Hi Florian,
> Thank you very much. Is this TL072 on the same board as the HD14066BP Does it have a similar or I can order it as TL072
> Do I have to tune all of the VCOs then

The TL072 is a standard chip you will get it at any electronics shop
It is located on the VCO board close to Connector CN12

Florian