Logic probes can be anything from useful to critical depending on the project, but if you don’t have one already, why not try building one? Instructables has a guide to building a logic probe using a ...

Yorba Linda, CA. Today Cal Test Electronics introduced a new active FET probe kit. The CT4121 is a compact FET probe with high input resistance and low input capacitance. With a 1.2-GHz bandwidth (-3 ...