| CV72 output tetrode
 |
This valve measures 135x50mm
overall and has a 7-pin base |
| Heater voltage |
6.3V |
| Heater current |
1.65A |
| Max anode voltage |
1.5kV |
| Max peak anode voltage |
3kV |
| Max screen voltage |
700V |
| Max anode dissipation |
10W |
| Max screen dissipation |
2.5W |
| Max grid negative bias |
700V |
| Max grid to screen voltage |
1.2kV |
| Max peak cathode current
(pulse of 10µs duration and 400:1 minimum off-on ratio) |
3.5A |
| Mutual conductance (Va=Vg2=200V,
Ia=40mA) |
8.7mA/V |
| Capacitances |
| Ca - all |
6.7pF |
| Cg - all |
23.5pF |
| Cag |
0.8pF |
| Pin |
Function |
| 1 |
n/c |
| 2 |
Control grid |
| 3 |
Screen grid |
| 4 |
Heater |
| 5 |
Heater |
| 6 |
Cathode and beam forming
plates |
| 7 |
n/c |
| TC |
Anode |
 
|
 |