The application note I have uploaded ,(in parts, sorry, due to this forum limitations), maybe of interest to the hard core 'nuts' who may not have seen it yet!.
Forgot which pile of papers I was searching through when it surfaced and couldn't find much reference on the web, (simple lazy search
![Tongue :P](https://www.eevblog.com/forum/Smileys/default/tongue.gif)
), so .......Just for document preservation and your casual entertainment of course .....here it is.