Proving You Can Find a Needle: From the Weak Write Test Mode Saga

Needles don’t occur in every haystack. Suppose you have developed a new method to detect a needle. Now prove it! Easy, you say—just toss some needles into a haystack and go find them. I faced this scenario with proving that Weak Write Test Mode would work. Two things needed to be proved: Did the new…

LOMAC Tester—Knowing Your Measurement Capabilities

Neither Chris nor I knew much about the LOMAC tester; Fred as the equipment owner did. It sure would have saved some work if we had talked with Fred. This is a story of how doing things in an incremental fashion creates more work. Efficiency is one of the E’s of engineering; it often requires…

When I Really learned Ohm’s Law

Doc Fry first taught me Ohm’s Law; V=IxR. As a high school senior I joined my younger sister Margaret in Introduction to Electronics. For labs we played with vacuum tubes, voltage sources, resistors. I recall the countless times we had a mess of wires on our breadboard and nothing worked. We quickly learned the first…