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Electronic Devices & Circuits

Cathode Ray Tube (CRT)

The cathode ray Tube (CRT) is the heart of the C.R.O. the CRT generates the electron beam, accelerates the beam, deflects the beam and also has a screen where beam becomes visible as a spot.

The main parts of the CRT are:

  1. Electron Gun
  2. Deflection system
  3. Fluorescent screen
  4. Glass tube or envelope
  5. Base

A schematic diagram of CRT, showing its structure and main components is shown in the figure below.

Cathode Ray Tube (CRT)

Since I want to explain each and every parts of the CRT in detail, I will split this topic into 3 parts.

Electron Gun of Cathode Ray Tube
Cathode Ray Tube Deflection System
CRT Fluorescent Screen

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