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

[cheater cheater]

But isn't this weighted out by the wider temperature range you can use it at?

Cheers,
D.

On Mon, Jul 26, 2010 at 04:10, David G. Dixon <dixon at interchange.ubc.ca> wrote:
>> SSM 2164 based exponential converters are currently the best ones you
>> can get, and the chips aren't expensive at all.
>
> I'm not sure about that.  It depends on what you want.  2164 expo converters
> obviate the need for temperature-compensating resistors.  However, as I've
> discovered, they do not necessarily give very consistent log conformance.
> For this, one really must use special-purpose transistor pairs.
>
> I would say that the degree of log conformance determines the quality of an
> expo converter.  2164, whilst being very convenient, is only average in this
> regard.
>
>