Here is the next on my reading list. No promises, I have not been there=20 yet... I find myself going back to basics a lot now days. https://ocw.mit.edu/courses/electrical-engineering-and-computer-science/6-0= 03-signals-and-systems-fall-2011/index.htm On 7/17/2017 6:39 AM, alan.b.pearce@stfc.ac.uk wrote: > Hmm, after registering with dsprelated.com, the confirmation email contai= ned a link to an interesting compendium of blog posts by Bruce Trump on Op-= Amp design topics ... > > http://www.ti.com/lit/sg/slyt701/slyt701.pdf > > The joys of following pointers from a Russell Black Hole request for more= information ... --=20 John Ferrell W8CCW Julian NC 27283 It is better to walk alone, than with a crowd going the wrong direction. --Diane Grant --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .