Virtual Valve Museum
Virtual Valve Museum | search:
About the museumMuseum exhibitsUpdates, new exhibits etc.EquipmentSupporters
View the guestbookDocumentsValves wanted!Valves for sale or for tradeLinks to other sites, suppliers etc.

CV1385 CRT

Size This CRT measures 420x160mm overall and has a B12D base

This CRT has electrostatic deflection and focusing and is suitable for either symmetrical or asymmetrical voltages.

Heater voltage 4V
Heater current 1A
Max final anode voltage 5kV
X plate sensitivity 620/Va3 mm/V
Y plate sensitivity 1160/Va3 mm/V
Typical operating conditions
Final anode voltage 3kV
Second anode voltage 475V
First anode voltage 2kV
Beam current 15µA

 

Pin Function Pin Function
1 Grid 7 Internal coating
2 Cathode 8 Y2
3 Heater 9 X2
4 Heater 10 Anode 3
5 Anode 1 11 X1
6 Anode 2 12 Y1

 

CV1385

 

Manufacturers were free to strap A3 to the internal coating if they wished, in which case the connection to pin 7 was omitted.

Looking at the screen with the base spigot uppermost, a +ve voltage on X1 will deflect the spot left and a +ve on Y1 will deflect it upwards.

 

Quarter view

Donated by Bryan Lonsdale

This file was last modified 23:13:35, Saturday June 07, 2008