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Electrical Technology, Vol2: Machines and Measurements, 1/e by S. P. Bali

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54

Oscilloscope Techniques

OBJECTIVES

In this chapter you will learn about:

  • Preliminary checks on the oscilloscope
  • Screen patterns obtained with deflection voltages
  • Lissajous figures in the range from 0° to 360°
  • Frequency ratios
  • Voltage and current measurement
image

The cathode ray tube

54.1  INTRODUCTION

The most glamorous and important electrical/electronic test and measuring instrument is the cathode ray oscilloscope. The scope is widely used for the visual observation of electrical work forces. In addition, the oscilloscope is finding diversified applications in many nonelectronic industrial and scientific uses where physical effects and phenomena ...

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