They must have done something about the current sources, because the
> 339 sections don't interact like they do on the 324. Both have the
> similar, horrible behavior if any input is pulled just a little below
> ground.
So what's your favorite jellybean comparataor these days? I still use the
393 (same as 339 I think, except it's a dual). Only low-speed simple stuff of course. I once designed a 30kHz PWM around one which only worked just about good enough. Don't know if the 393 is to blame though.
robert