CV2276 / Z319 secondary emission pentode
|
This valve measures 54x19mm overall and has a B9A base. |
Described in the EVS data as a single stage thermionic electron multiplier this is a high
slope pentode for use as a wideband RF amplifier. It incorporates a single stage electron multiplier.
Heater voltage |
6.3V |
Heater current |
300mA |
Max anode voltage (Ia=0) |
600V |
Max operating anode voltage |
500V |
Max secondary cathode voltage (Ia=0) |
500V |
Max operating secondary cathode voltage |
400V |
Max screen voltage (Ia=0) |
500V |
Max operating screen voltage |
300V |
Max anode dissipation - Wa=Ia(Va-Vk2) |
2W |
Max secondary cathode dissipation - Wk2 = Vk2(Ik1-Ig2) |
2W |
Max screen dissipation |
0.8W |
Mutual conductance (Vg2=Vk2=250, Av=350, Ia=15mA) |
19mA/V |
Capacitances |
Cae |
3pF |
Cg1,e |
8pF |
Ck2,e |
3pF |
Ca,g1 |
0.05pF |
Pin |
Function |
1 |
G3 + shield |
2 |
G1 |
3 |
Cathode |
4 |
Heater |
5 |
Heater |
6 |
G3 + shield |
7 |
Anode |
8 |
Secondary cathode |
9 |
G2 |
|
|