[sdiy] [AH] Re: [AH] KORG 700S CV Hz/V / gate retrofit

[cheater cheater]

I expected it to be an expo converter. I didn't see the important
bits. I didn't go into analyzing the circuit to see if it's an
esoteric way of doing it on the cheap. Yep, I was wrong. I suggest
sending non-constructive critique off-list next time. Are we done? :)

Cheers,
D.

On Mon, Jul 26, 2010 at 02:32, Andrew Scheidler <oozitron at gmail.com> wrote:
> Calling something "crap" when you "couldn't make sense of it" ?
>
> This explains a lot of your former emails.
>
> Drew
>
> On Sun, Jul 25, 2010 at 6:01 PM, cheater cheater <cheater00 at gmail.com> wrote:
>> Ah, duh. Figures why I couldn't make sense out of it.
>>
>> On Sun, Jul 25, 2010 at 23:17, Richard Atkinson <rga24 at cantab.net> wrote:
>>> On Jul 25 2010, cheater cheater wrote:
>>>
>>>>
>>>> The DIY one you have posted doesn't seem to have any temperature
>>>> compensation and does not use precision voltage references, so it'll
>>>> be quite crap I think. That doesn't mean the Kenton's much better,
>>>> it's probably just as bad. SSM 2164 based exponential converters are
>>>> currently the best ones you can get, and the chips aren't expensive at
>>>> all.
>>>
>>> That's not an expo convertor. That's a hold circuit to pass the CV through
>>> to the oscillator while the Gate is enabled. When the Gate is released, the
>>> circuit holds the value at that point. The control voltage is in linear form
>>> (Hz/V) going into the circuit and in linear form coming out of it.
>>>
>