SergeModular

apparently what i was noticing (and incorrectly interpreting as slew)
was the ac coupling. thanks.

The other difference is that the FM (LINEAR) input is A-

> C coupled. That is to say D-C signals will not pass only changing
> signals (A-C). For example....if you put a static 5 volts into the

FM

> input of a VCO set to 1Khz you'd hear a fast rise and semi-slow

fall

> in pitch until if finally comes to rest at 1Khz again. When you
> remove that 5 volts the frequency will sharply DROP and they semi-
> slowly rise again back to 1Khz. In other words the frequency only
> changed when you added applied the voltage and took it away.... but
> not inbetween. Give it a try. You MAY find the response opposite

to

> what I suggested as I can't recall if the FM input is inverting or
> not. That is to say applying the 5 volts might cause an initial

fall

> not rise in frequency and vise-versa.
>
> Hope that helps clear up the difference.
>
> All the best....cheers Dean.
>
> SergeModular@yahoogroups.com, "foleymachine" <foleymachine@y...>
> wrote:
> > hi,
> >
> > i am curious about the difference between the fm inputs and the
> > attenuating/inverting (i.e. not the 1v/oct) cv input. i tend to

use

> > them almost interchangeably, except that when i put a low

frequency

> > voltage (or sequence) into the fm input, there seems to be a

fixed

> > slew rate. can anyone explain to me what's going on? i am using
> both
> > precision vcos and ntos.
> >
> > thanks,
> > greg