1.Vacuum power electronic tube
2.40 years for professional experience for electron valve
3.Electron tube TH584_FC308C
Electron tube_Power tube_Electronic tube
1403_FC307F_2015_TH382 UHF TETRODE
Peak-of-sync output power in combined amplification: 5.25 kW
Peak-of-sync output power in vision carrier amplification: 11 kW
General characteristics
Cathode | thoriated tungsten | Heating | direct, DC or single phase AC
|
Filament voltage | 4.2 V (1) | Filament current | 125 A (1) |
Interelectrode capacitances (cathode earthed), approx. | Cathode-control grid | 72 pF |
|
Control gird-screen grid | 93 pF | ||
Screen gird-anode | 13.2 pF | ||
Transconductance ( la=1.5A, Ug2=600V ) | 80 mA/V
| Cooling at the sealing between electrode terminal and ceramic | forced air |
Temperature at air outlet, max. | 100°C | Temperature on the surface of the tube, max | 300°C |
Anode cooling (2) | forced air | Weight,( approx.) | 7 kg |
Internal amplification factor, average | 8 | Corresponding pressure drop | 800Pa |
Air flow, min. | 13000 L/min | Operating position | vertical |
Maximum ratings
Frequency | 1000 MHz | Anode voltage | 6.5 kV |
Anode current | 4.5 A | Anode dissipation | 12.5 kW |
Control-grid dissipation | 50W | Screen-grid dissipation | 120W |
Typical operation
Combined amplification | Vision only | |
Frequency | 800 | 800 MHz |
Peak-of-sync output power | 5.25 | 11 kW |
Band width (-1dB) | 8 | 6 MHz |
Intermodulation distortion | -52 | - dB |
Gain | 15.5 | 15.4 dB |
Anode voltage | 5.5 | 5.5 kV |
Screen-grid voltage | 600 | 600 V |
Anode current, with signal | 2.7 | 3.25 A |
Anode current, at zero signal | 1.5 | 1.2 A |
Control-grid current | 10 | 5 mA |
Screen-grid current | 30 | 30 mA |
