"David Satz" wrote in message
om

John Hardy has an excellent literature package that he sends out on
request; some elements of it are available for download as PDFs on
his Web site at http://www.johnhardyco.com/products.html--see in
particular the PDF about the 990 discrete op amp--but make sure
to request the whole package.

Also be prepared (not at all with John Hardy, but with some other
product lines) to see a fair amount of mysticism and hand-waving that
parades as engineering--but you probably noticed that already.

This one seems to be highly informative and purely orthodox:

http://www.johnhardyco.com/pdf/990.pdf .