Not sure if this has been mentioned on PIClist but here goes: From the OSMC mailing list: "Designing Analog Chips" by Hans Camenzind, 242 pages, pdf format: http://www.designinganalogchips.com/ 2.4MB download seems to be the complete book. The author suggests using a color printer if printing out a hard-copy version. 242 pages Thanks to Ron van Sommeren for mentioning it. dwayne -- Dwayne Reid Trinity Electronics Systems Ltd Edmonton, AB, CANADA (780) 489-3199 voice (780) 487-6397 fax www.trinity-electronics.com Custom Electronics Design and Manufacturing -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist