CV8884 CRT
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This valve measures 292x75mm overall and has a 14 pin base |
This is a CRT designed for use in transistorised oscilloscopes. It has a flat face and post-deflection acceleration by means of a helical electrode.
| Heater voltage | 6.3V |
| Heater current | 95mA |
| Operating characteristics | |
| Post-deflector accelerator voltage (A6) | 1200V |
| Isolation shield voltage (A5) | 300 ±30V |
| Second accelerator voltage (A4) | 300 (+40 or -15)V |
| Focusing electrode (A3) | 20 to 150V |
| First accelerator voltage (A2) | 1200V |
| Negative grid voltage for visual extinction of focused spot | -30 to -80V |
| X deflection | 9.4 to 12V/cm |
| Y deflection | 3.2 to 4.1V/cm |
| X useful scan | 60mm |
| Y useful scan | 45mm |
(Data from DH7-11)
| Pin | Function |
| 1 | Heater |
| 2 | Cathode |
| 3 | Grid |
| 4 | Anode 3 |
| 5 | Anode 5 |
| 6 | Y1 |
| 7 | Y2 |
| 8 | Anode 4 |
| 9 | X2 |
| 10 | X1 |
| 11 | i/c |
| 12 | Anode 2 |
| 13 | i/c |
| 14 | Heater |
| Cap | Anode 6 |
