It can be difficult to discern one waveform from another on crowded oscilloscope screens, especially handheld scopes. To ease the problem, Fluke Corp., Everett, Wash., gives their 196C and 199C ...

Ordinarily, when we hear the words “clock” and “oscilloscope” in the same sentence we conjure images of measuring a stable, repeating square wave that acts as the heartbeat of a system. Of course, ...