To follow up on my previous posting, Prof. Marc E. Herniter of the EE department of Northern Arizona U. has written a book that contains a major section on the use of the PADS layout and schematic capture software. It is: "Schematic Capture with MicroSim PSPICE" ISBN 0-13-233982-X, paper published by Prentice Hall. Cost approx. $40. --- Warren F. Davis ================================================ Davis Associates, Inc. 43 Holden Road West Newton, MA 02165 U.S.A. Tel: 617-244-1450 FAX: 617-964-4917 Visit our web site at: http://www.davis-inc.com ================================================