| CV389 CRT
 |
This CRT measures 180x44mm
overall, and 35mm across the screen. It has a 9 pin base. |
| Heater voltage |
4.0V |
| Heater current |
1.0A |
| Max anode 4 voltage |
4.0kV |
| Max anode 3 voltage |
1.7kV |
| Max anode 2 voltage |
200V |
| Max peak cathode current |
500µA |
| Typical operating
conditions |
| Anode 4 voltage |
3.5kV |
| Anode 3 voltage |
1.5kV |
| Anode 2 voltage |
75V approx |
| Beam current |
30µA |
| Cathode current |
40µA |
| X plate sensitivity |
0.110 mm/V |
| Y plate sensitivity |
0.087 mm/V |
| Pin |
Function |
| 1 |
Heater and cathode |
| 2 |
Grid |
| 3 |
Heater |
| 4 |
Anode 2 |
| 5 |
X plate 1 |
| 6 |
Y plate 1 |
| 7 |
Anode 1 and anode 3 |
| 8 |
Y plate 2 |
| 9 |
X plate 2 |
| Side contact |
Anode 4 |
When viewing the screen with
the tube positioned such that the keyway of the spigot is at an angle
of 30 degrees to the left of vertical, a positive voltage on X plate 1
(pin 5) will deflect the spot to the right, and a positive voltage on
Y plate 2 (pin 8) will deflect it upwards. |
 |
