CV2983 / 3V4 pentode
 |
This valve measures 53x17mmm
overall and has a B7G base. |
| Filament voltage |
1.4V |
| Filament current |
100mA |
| Max anode voltage |
100V |
| Max screen voltage |
100V |
| Max cathode current |
13mA |
| Mutual conductance * |
2.15mA/V |
| Anode current * |
9.5mA |
| Screen current * |
2.2mA |
| Capacitances
(unscreened) |
| Cag |
0.4pF |
| Cin |
5.5pF |
| Cout |
3.8pF |
*: At Va=Vg2=90, Vg1=-4.5
At a filament voltage of 1.4V,
pins 1 and 7 are connected together as filament +ve, and the filament
centre tap connected to filament -ve.
| Pin |
Function |
| 1 |
Filament -ve |
| 2 |
Anode |
| 3 |
Screen grid |
| 4 |
n/c |
| 5 |
Filament centre tap |
| 6 |
Control grid |
| 7 |
Filament +ve |
|
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