Hi Florian,

Thanks for your answer.
I'll sure take in mind what's said about the A-170.
Alas I forgot to check for the version on the PC board :-(
I'll do that next time I put a new module in.

Kind regards,

Ton

--- In Doepfer_a100@yahoogroups.com , Florian Anwander <fanwander@...> wrote:
>
> Hi Ton
>
> Ton Akveld wrote:
> > Or can I route A-190-1 CV2 out through the A-170 to VCO CV1
> You can do so.
>
> But keep in mind, what is said on http://www.doepfer.de/a170.htm:
>
> 'Additional technical remarks: If the upper slew limiter is used for
> precision applications (e.g. portamento/glide of one or more VCOs) a
> buffer (e.g. A-185-1 oder A-185-2) is recommended between the A-170
> output and the VCO(s) input(s). The reason is a small voltage drop that
> is caused by the protection resistor at the A-170 output. An A-185-1 or
> A-185-2 connected between the A-170 and the VCO(s) avoids that voltage
> loss. For all A-170 manufactured later than May 2009 (recognizable by
> the label "Version 2" on the pc board) this remark is not valid as these
> modules are equipped with an additional voltage buffer at the output.
> The lower slew limiter cannot be used for precision applications because
> of the voltage loss caused by the diodes of the circuit.'
>