[sdiy] Temperature Compensated Exponential Converter Using SSM2164

[Ian Fritz]

At 06:52 PM 8/29/2009, John Mahoney wrote:

>Is your Dial-a-Tempco circuit [still] your preferred means of temperature 
>compensation?

If you really want to nail it, yes.  But it's a lot of work.

>I don't understand how to translate the specified 50ppm/K accuracy into a 
>percentage, though. 50ppm is 1/200 of a percent, but how do the degrees K 
>factor in? Am I mixing apples and oranges?

It's that percentage for every deg of temperature change.

Ian