CV1521 CRT
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This CRT measures 330x85mm overall and has a B12D base |
This is an electrostatic focus and deflection CRT suitable for symmetrical or asymmetrical voltages. The EVS data gives the screen characteristics as BLY46 (BY8 - Blue/Yellow/long persistence).
| Heater voltage | 4V |
| Heater current | 1.1A |
| Max final anode voltage | 5kV |
| Max first anode voltage | 2kV |
| X-plate sensitivity | 357/Va3 mm/V |
| Y-plate sensitivity | 780/Va3 mm/V |
| Typical operating conditions | |
| Final anode voltage | 4kV |
| Second anode voltage | 700V |
| First anode voltage | 1.8kV |
| Beam current | 50µA |
| 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 |
The final anode and internal coating are usually operated at the same voltage and manufacturers were free to connect the two internally, omitting the connection to pin 7.
