| GENERAL DESCRIPTION |
|
R.f. power triode intended for transmitter and industrial heating service. |
| TECHNICAL SPECIFICATIONS | |
| ABRIDGED DATA | |
| Anode cooling | vapour; separate boiler unit |
| Anode dissipation | 60 kW max |
| Anode voltage | 14 kV max |
| Frequency for full ratings | 10 MHz max |
| Frequency at reduced ratings | 30 MHz max |
| Output power (class C unmodulated conditions) | 120 kW |
| ELECTRICAL | |
| Filament | thoriated tungsten |
| Filament voltage | 11 V |
| Filament current | 155 A |
| Surge filament current (peak) | 300 A max |
| Filament cold resistance | 9.2 mohm |
| Peak usable cathode current | 60 A |
| Amplification factor (Va = 9.0 kV, Ia = 3.0 A) |
90 |
| Mutual conductance (Va = 10.0 kV, Ia = 2.5 A) |
60 mA/V |
| Perveance | 4.0 mA/V |
| Inter-electrode capacitances grid to anode grid to filament anode to filament |
75 pF 130 pF 1.0 pF |
| MECHANICAL | |
| Net weight | 24.0 kg approx |
| Mounting position | vertical, filament leads up |
| 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 |
| Econco | ||
| Kennetron | ||
| 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 |