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What is CRO ??

Why Is CRO Used??

How it Works???

Where is it used???

INTRODUCTION

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BASIC WORKING PRINCIPLE

Heart of CRO - Electron Gun

Chemically coated

fluorescent screen

Point of collision

visible bright spot

Deflection by electric

!agnetic filed-

"race out pattern

Cathode heater

Control grid

# $ %node

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SIZE- &creen Diameter #'$'(')* +nches )GP#Round Rectangular CR"

PHSPHOR-&creen Coated ,ith fluorescent materialColor Persistence of the trace )GP#

SCREEN-Glass ace plate Rectangular screenGraticules mr.ed #cm / # Div

OPERATING VOLTAGE

DEFLECTING VOLTAGE

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