CV3612 / 5686 pentode
 |
This valve measures 54x20mm
overall and has a B9A base. |
This valve is designed for
dependable operation under service conditions encountered in mobile and
aircraft use. It is suitable for use as a Class A audio amplifier or Class
C RF amplifier up to 160MHz.
| Heater voltage |
6.3V |
| Heater current |
350mA |
| Typical operation
class A1 |
| Anode voltage |
250V |
| Screen voltage |
250V |
| Control grid voltage |
-12.5V |
| Transconductance |
3100 micromhos |
| Anode current (no signal) |
27mA |
| Screen current (no signal) |
5.0mA |
| Load resistance |
9000 ohms |
| Power output |
2.7W |
| Typical operation
class C RF amp up to 160MHz |
| Anode voltage |
250V |
| Screen voltage |
180 to 250V |
| Control grid voltage |
-30 to -50V |
| Peak control grid RF voltage |
50 to 75V |
| Anode current |
30 to 40mA |
| Screen current |
6.5 to 10.5mA |
| Control grid current |
2.0mA |
| RF grid driving power |
0.10 to 0.15W |
| Power output |
5.0 to 6.5W |
| Useful power output at
125MHz |
5.25W |
| Pin |
Function |
| 1 |
Cathode and suppressor
grid |
| 2 |
Control grid |
| 3 |
Cathode and suppressor
grid |
| 4 |
Heater |
| 5 |
Heater |
| 6 |
Suppressor grid |
| 7 |
Anode |
| 8 |
Cathode and suppressor
grid |
| 9 |
Screen grid |
|
