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Design-for-testability has been the war cry in printed-circuit-board manufacture since we learned to make fire. Yet many designers still resist complying for often unspecified performance reasons, then complain when production people have difficulty building boards that work. How have you pursued DFT goals? What proactive steps have you taken to maximize board performance and manufacturing yields? What objections have you heard from designers? How have you responded? How sensitive are designers to test requirements — or test engineers to design? How can each group improve communication and ultimate success?
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