You should work with your PCB house. Given your requirements and needs, your PCB house should be able to deliver a working board on the first or second pass. (Given that the board design can be adjusted to meet your requirements!) Joe Brunetto, Zycon Corporation ______________________________ Reply Separator _________________________________ Subject: controlled impedance p.c.b's Author: [log in to unmask] at corp Date: 1/6/97 12:49 PM I have collected a good deal of data on the manufacture of controlled impedance p.c.b's, but I am not sure where I should start. Several people have told me I should start building test coupons stepped out on a panel. Is this the right place to start? How would I go about designing or obtaining a test coupon with a specific characteristic impedance? I would appreciate any help I could get on this matter. Thank you. *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * *************************************************************************** * If you are having a problem with the IPC TechNet forum please contact * * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * *************************************************************************** *************************************************************************** * TechNet mail list is provided as a service by IPC using SmartList v3.05 * *************************************************************************** * To unsubscribe from this list at any time, send a message to: * * [log in to unmask] with <subject: unsubscribe> and no text. * *************************************************************************** * If you are having a problem with the IPC TechNet forum please contact * * Dmitriy Sklyar at 847-509-9700 ext. 311 or email at [log in to unmask] * ***************************************************************************