CV1136
signal amplifier pentode
 |
The valve measures 75x35mm
overall and has a B9G base |
The CV1136, or RL7, was a variant
of the EF50. It had duplicate cathode leads and
aligned grids to improve on the earlier design, to the extent that it
was superior to acorn pentodes up to 300MHz.
| Heater voltage |
6.3V |
| Heater current |
300mA |
| Max anode voltage |
300V |
| Max screen voltage |
300V |
| Max anode dissipation |
3.0W |
| Max screen dissipation |
1.7W |
| Mutual conductance |
7.7mA/V |
| Anode impedance |
500k ohms |
| Inner amplification factor |
80.0 |
| Max operating frequency |
300MHz |
| Capacitances |
| Cag max |
0.02pF |
| Cae max |
5.3pF |
| Cge max |
8.8pF |
| Cg1 g2 nom |
2.1pF |
| Pin |
Function |
| 1 |
Heater |
| 2 |
Anode |
| 3 |
Screen grid |
| 4 |
Internal screen |
| 5 |
Internal screen |
| 6 |
Control grid |
| 7 |
Internal screen |
| 8 |
Internal screen |
| 9 |
Heater |
The cathode and suppressor grid
are connected internally to the screen. See
also CV380. |
|
