[sdiy] help with clicks on VCA

[Antti Huovilainen]

On Mon, 17 Aug 2009, Dan Snazelle wrote:

> it happens with square waves too even with saws

Square has two sharp edges, saw one. Only difference is the number of 
clicks per cycle.

> from what i have been reading this is a very common problem with tremolos

Slewrate limiting followed by a lowpass should help a lot.
Perhaps use something like TLC27L2?

On related note, is there some way to artificially slewrate limit an opamp 
circuit without affecting the gain-bandwidth product?

Antti

"No boom today. Boom tomorrow. There's always a boom tomorrow"
   -- Lt. Cmdr. Ivanova