CV2243 screened pentode
 |
This valve measures 54x19mm
overall and has a B9A base. |
The prototype of this valve
is PSG8 - it is similar in characteristics to 6F14.
| Heater voltage |
6.3V |
| Heater current |
350mA |
| Max anode voltage |
300V |
| Max screen voltage |
300V |
| Max anode dissipation |
4.5W |
| Max screen dissipation |
1.2W |
| Mutual conductance (At
Va=200, Vg2=115, Vg1=-2) |
8.4mA/V |
| Max heater cathode voltage |
150V |
| Max cathode current |
35mA |
| Amplification factor |
33 |
| Input resistance at 50MHz
(Va=Vg2=150) |
2800 ohms |
| Capacitances |
| Ca, g1 max |
0.01pF |
| Cin max |
8.7pF |
| Cout max |
4.5pF |
| Pin |
Function |
| 1 |
Screen |
| 2 |
Control grid |
| 3 |
Cathode |
| 4 |
Heater |
| 5 |
Heater |
| 6 |
Screen |
| 7 |
Anode |
| 8 |
Screen grid |
| 9 |
Suppressor grid |
|
|
