Electronics For Dummies, 2nd Edition

Chapter 13

Getting Down with Logic Probes and Oscilloscopes

In This Chapter

Testing digital circuits with a logic probe

Riding signal waves with an oscilloscope

Recognizing when you need — and don’t need — an oscilloscope

Setting up your scope so you can visualize circuit signals

Using a scope to measure (approximately) the frequency of a signal

Chapter 12 talks about how to use a multimeter to test for all sorts of glitches and gotchas in your electronic circuits. Your meter is the most important tool on your workbench, but don’t think it’s the only thing that you can use to test your electronics stuff. If you’re really, really serious about electronics, you may want to get several other testing tools for your workbench.

This chapter introduces you to two additional tools — a logic probe and an oscilloscope — and to how they can make you a more effective electronics troubleshooter. Neither tool is a “must-have” when you’re just starting out, but as you work your way into intermediate ...