CV1905 transmitting tetrode
 |
This valve measures 111x56mm
overall and has a 7 pin base (5 fitted). |
This is the CV equivalent of
the 4-65A.
| Filament voltage |
6V |
| Filament current |
3.5A |
| Max anode voltage |
3kV |
| Max anode current |
150mA |
| Max screen voltage |
400V |
| Max anode dissipation |
80W |
| Max screen dissipation |
10W |
| Max grid dissipation |
5W |
| Mutual conductance (Va=500,
Vg2=250, Ia=125mA) |
4.0mA/V |
| Inner amplification factor |
6.0 |
| Max frequency for full
rating |
150MHz |
| Max bulb temperature |
225C |
| Capacitances |
| Cag |
0.12pF |
| Cge |
7.15pF |
| Cae |
2.25pF |
| Pin |
Function |
| 1 |
Filament |
| 2 |
Screen grid |
| 3 |
no pin |
| 4 |
Control grid |
| 5 |
no pin |
| 6 |
Screen grid |
| 7 |
Filament |
| TC |
Anode |
|
 |
