O'Reilly logo

Electronics All-in-One For Dummies, UK Edition by Doug Lowe, Dickon Ross

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

Chapter 9

Catching Waves with an Oscilloscope

In This Chapter

arrow Learning what an oscilloscope is

arrow Getting started with an oscilloscope

arrow Calibrating your scope

arrow Looking at waveforms

Electronics can whip up some gnarly waves, dude. You can surf sine waves that roll along nice and easy, like corduroy on the horizon. But sawtooth waves are hairy: they ride up slow and then drop you way fast. And of course, square waves . . . they’re just, you know, so square.

Your basic multimeter, which you can read about in this minibook’s Chapter 8, is essential. You can’t do electronics without one. In this chapter, we tell you about another incredibly useful tool to have on your workbench called an oscilloscope. Although the voltmeter in your multimeter can give you a simple number that represents voltage, an oscilloscope can draw a picture of voltage. And, as they say, a picture’s worth a thousand words – er, numbers.

A picture is much more valuable than a number as regards voltage, because in all but the simplest circuits voltage is always in motion; it’s always changing, and an oscilloscope is the ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required