[sdiy] Multiplexed Expo Converter?

[Tom Wiltshire]

On 2 Aug 2009, at 19:07, David G. Dixon wrote:

> I don't understand why one would have to
> multiplex an EC.  Why not just take multiple currents out?

Because you might be trying to produce currents which are *not*  
identical.
The advantage of multiplexing is that you can produce a current for  
each oscillator/filter/whatever and know that the errors in each are  
identical. In a multi-voice system this could be a big advantage.

T.