CV1997 CRT
 |
This CRT measures 180x75mm
overall and has a 9 pin base. |
The prototype of this CRT is
VCRX307
| Heater voltage |
4V |
| Heater current |
1.1A |
| Max third anode voltage |
1.7kV |
| Max peak cathode current |
500µA |
| x-plate sensitivity |
175/Va3 mm/V |
| y-plate sensitivity |
185/Va3 mm/V |
| Typical operating
conditions |
| Third anode voltage |
1.5kV |
| Second anode voltage |
75V |
| Beam current |
30µA |
| Cathode current |
40µA |
The CRT has a concave screen. |
| Pin |
Function |
| 1 |
Cathode and heater |
| 2 |
Grid |
| 3 |
Heater |
| 4 |
Anode 2 |
| 5 |
X1 |
| 6 |
Y1 |
| 7 |
Anode 1 and 3 |
| 8 |
Y2 |
| 9 |
X2 |
|
When viewing the screen with
the tube positioned such that the keyway on the base spigot is at 30 degrees
to the left of vertical, a positive voltage on pin 8 (Y2) will deflect
the spot upwards.
|
