| GENERAL DESCRIPTION |
|
The BY1654F is a triode of coaxial ceramic/metal construction, intended primarily for use in cathode follower stages of transmitters. The anode is vapour cooled by means of a separate boiler of the steam down type. |
| TECHNICAL SPECIFICATIONS | |
| ABRIDGED DATA | |
| Anode dissipation | 12 kW max |
| Anode voltage | 7 kV max |
| Frequency for full ratings | 30 MHz max |
| ELECTRICAL | |
| Filament | thoriated tungsten |
| Filament voltage | 8.0 V |
| Filament current | 125 A |
| Peak usable cathode current | 36 A |
| Filament cold resistance | 7.2 mohm |
| Amplification factor (Va = 2 kV, Ia = 0.5 A) |
16 |
| Mutual conductance (Va = 2 kV, Vg = -87 V) |
60 mA/V |
| Interelectrode capacitances grid to anode grid to filament anode to filament |
52 pF 76 pF 3 pF |
| MECHANICAL | |
| Net weight | 4 kg approx |
| Mounting position | vertical, anode down |
| Specifications may change without notice | |
| THIS TUBE IS USED IN THE FOLLOWING SHORTWAVE BROADCAST TRANSMITTERS | ||
| Manufacturer | Transmitter specifications | Power in kW |
| Marconi | B 6122 | 250 |
| BD 272 | 250 | |
| THIS TUBE IS AVAILABLE FROM | ||
| Manufacturer | Rebuilder | Distributor |
| PRICE LEVEL (US$) | |||||
| 1 | 2 | 3 | 4 | 5 | 6 |
| 0 - 10 | 10 - 100 | 100 - 1000 | 1000 - 10,000 | 10,000 - 50,000 | 50,000 - 100,000 |