|
Heintz and Kaufman Gammatron
54 VHF triode
 |
The valve measures 140x50mm
plus 18mm for the grid connector at the side. It has a 4-pin base. |
Also 4C25, CV49, 3B/501A, this
is a VHF transmitting triode with a thoriated tungsten filament. CV49
specs are:
| Filament voltage |
5V |
| Filament current |
5.15A |
| Maximum anode voltage |
2kV |
| Maximum dc anode current |
120mA |
| Maximum anode dissipation |
50W |
| Mutual conductance |
2.0 mA/V |
| Amplification factor |
29 |
| Maximum frequency to which
above ratings apply |
200MHz |
| Pin |
Function |
| 1 |
F |
| 2 |
n/c |
| 3 |
n/c |
| 4 |
F |
| Side contact |
G |
| Top contact |
A |
|
 |
