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RCA 5820 Image Orthicon camera tube.

5820 size The camera tube measures 390x75mm overall (50mm across the main body)

5820 base 5820 pins
The tube has a 14-pin base and 7 connections around the image section at the front.





RCA 5820 Image Orthicon

5820 image section 5820 screen
At the front of the tube is the image section. This has its own connections to 7 pins around the base of the enlarged section. The section contains a photocathode at the front (glass), an accelerator electrode and a target screen. The screen is scanned on the other side by the electron beam, and the returned beam fed into the multiplier section surrounding the electron gun.

5820 gun
Here is the electron gun and image multiplier assembly.

This file was last modified 15:39:13, Tuesday September 02, 2014