| CV344 triode
 |
The valve measures 110x40mm
overall and has an octal base |
This valve is a CV63 selected for use at high altitude. The valve also carries
the CV63 marking
| Heater voltage |
6.3V |
| Heater current |
0.8A |
| Max anode
voltage |
2.5kV |
| Max anode
dissipation |
2.5W |
| Max anode
current |
500mA |
Mutual conductance
(Vh=6.3V; Va=100V; Vg1=-3V) |
6.7mA/V |
| Efficiency
at: |
225MHz |
35% |
| 260MHz |
32% |
| 290MHz |
17% |
| 300MHz |
12% |
| Max frequency
at which valve will oscillate |
250MHz |
| Capacitances |
| Cag |
3.65pF |
| Cge |
4.9pF |
| Cae |
1.35pF |
The above ratings are with
the valve used under pulse conditions and anode modulation. When grid
modulation is used the anode voltage should not exceed 500V.
| Pin |
Function |
| 1 |
n/c |
| 2 |
Heater |
| 3 |
No pin |
| 4 |
n/c |
| 5 |
n/c |
| 6 |
No pin |
| 7 |
Heater |
| 8 |
Cathode |
| TC1 |
Grid |
| TC2 |
Anode |
|
