CV2295 double beam tetrode
 |
This valve measures 110x53mm overall and has a B7A base |
| Heater voltage | 6.3V (a) |
| Heater current | 2.25A |
| Max anode voltage | 5.0kV (b, c) |
| Max peak pulsed anode voltage | 5.75kV |
| Max grid voltage | -225V (c, d) |
| Max peak grid voltage | 250V |
| Max peak pulsed grid voltage | -600V |
| Max screen grid voltage | 850V (c) |
| Max peak anode current | 10.0A |
| Max peak grid current | 4.0A |
| Max peak screen grid current | 3.5A |
| Max anode dissipation | 15W (e) |
| Max grid dissipation | 1.0W |
| Max screen grid dissipation | 3.0W |
| Max heater-cathode voltage | 100V |
| Max input power | 60W |
| Max pulse duration | 1.2µS |
| Capacitances | |
| Cag1 (max) | 0.12pF |
| Cin (nom) | 14.5pF |
| Cout (nom) | 6.95pF |
(a) Centre-tapped 12.6V heater. Heaters may be operated in parallel or series. max variation of heater voltage shall be +10% and -5%
(b) Instantaneous anode voltage due to transient shall not exceed 5.75kV
(c) The DC resistance of the supply shall be sufficiently large to limit the short-circuit current to 0.5A
(d) Instantaneous grid voltage due to transient shall not exceed -600V
(e) Each section
| Pin | Function |
| 1 | Heater |
| 2 | Control grid " |
| 3 | Screen grid |
| 4 | Cathode + beam plates |
| 5 | Heater centre tap |
| 6 | Control grid ' |
| 7 | Heater |
| TC1 | Anode ' |
| TC2 | Anode " |
