[sdiy] Patchell's Boggling 13700 Expo Converter Thing???

[Jim Patchell]

	Could be...however what I saw was a hand drawn (I think) schematic that 
was posted on somebodys personal web page.

René Schmitz wrote:
> 
> 
> Jim Patchell wrote:
> 
>>     I selected this aproach for several reasons.  Also, I would like 
>> everyone to note, I did not design this circuit...somebody else posted 
>> this circuit, as a low noise, low distortion vca...my attempts to find 
>> that post in the archives has so far has proven fruitless...
> 
> 
> Wasn't that one of Mike Irwings designs in EDN Mag?
> 
>>     Still, the reasons I selected it are:
>>
>>     1. It was very linear.
>>     2. It had the lowest parts count for the performance I got.
>>     3. It is real cheap...at 80 cents it performed better than the 
>> next best aproach I could come up with that came in at about $6.
> 
> 
> Cheers,
>  René
>