CV1056 / VR56 pentode
 |
The valve measures 98x28mm overall and has an octal base. G1 is
the top cap. |
| Heater voltage |
6.3V |
| Heater current |
200mA |
| Max anode voltage |
300V |
| Max screen voltage |
125V |
| Max anode dissipation |
1W |
| Max screen dissipation |
0.3W |
Mutual conductance
|
Va=250V,
Vg2=100V,
Vg1=-2V,
Ia=3mA |
1.8mA/V |
| Anode impedance |
2.5 M ohms |
| Amplification factor |
4500 |
| Max operating frequency |
125MHz |
| Capacitances |
|
| Cae |
8.2pF |
| Cge |
5.5pF |
| Cg1-g2 |
2.25pF |
| Cag (max) |
0.003pF |
| Pin |
Function |
| 1 |
Metallising |
| 2 |
Heater |
| 3 |
Anode |
| 4 |
Screen grid |
| 5 |
Suppressor grid |
| 6 |
n/c |
| 7 |
Heater |
| 8 |
Cathode |
| TC |
Control grid |
|
|
