Tales from the Cube: Beauty and the Bad Board

This latest installment of EDN's Tales from the Cube series. In it, author Bruce Mainwaring describes his ingenious process for emergency testing assembled and ready to ship product for a bad inductor. It involved building an EM simulation model for the test implement and then qualifying it with a Kappa analysis. The action saved his company significant embarrassment.

Posted June 2013

RF Cafe began life in 1996 as "RF Tools" in an AOL screen name web space totaling 2 MB. Its primary purpose was to provide me with ready access to commonly needed formulas and reference material while performing my work as an RF system and circuit design engineer. The World Wide Web (Internet) was largely an unknown entity at the time and bandwidth was a scarce commodity. Dial-up modems blazed along at 14.4 kbps while tying up your telephone line, and a lady's voice announced "You've Got Mail" when a new message arrived...

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