Good designs of Expo Converters? Was: [sdiy] Multiplexed Expo Converter?

[Scott Nordlund]

> The other important question is: where do you get good oversampling
> filters that would do a good job of reconstructing the S&H'd signal
 
Um... oversampling analog filters?  Though the sample and hold output is discrete time, it's not digital, so I'd be curious to see what that entails..
 
You probably don't want a filter anyway unless you're explicitly going for audio rate modulation or VCF/VCA signals.
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