[sdiy] Temperature Compensated Exponential Converter Using SSM2164

[Aaron Lanterman]

On Aug 29, 2009, at 4:28 PM, Tim Parkhurst wrote:

> 2009/8/29 HOSHUYAMA <houshu at muj.biglobe.ne.jp>:
>> Hello List,
>>
>> I developed a new style temperature compensation method for
>> exponential converter using SSM2164.
>>
>> http://houshu.at.webry.info/200908/article_1.html
>> http://houshu.at.webry.info/200908/article_2.html

> Very impressive Sam, but does this work significantly better than
> using a tempco resistor with the 2164? This is how the Mankato VCF is
> set up, but I have to admit I've never really measured the temp
> compensation (especially since it's a VCF and not really sold as a
> VCO).

I think the nice thing about this approach is that tempcos aren't  
always easy to come by.

- Aaron