Impulse generating triodefor continuous or impulse (in anode modulation mode) SHF waves generation and amplification.
Technical requirements version SC2.323.024TU-LU
Main parameters
Design | metal-ceramic |
Forced cooling: anode – water cooling grid and cathode cylinders – air cooling | 1 l/min not less than 6 m3/h |
Mass | 170 g |
Filament current | 1.925±0.125 A |
Anodecurrentatcharacteristicorigin (atUa=1.5kV, Ug=-40 V) | not more than 5 mA |
Grid reverse current (at Ua=1.5 kV) | not more than 96 µA |
Peak emission current (at Ua=Ug=400V) | not less than 20 A |
Grid-cathode leakage current (at Ug=-200 V) | 40 – 80 A |
Transconductance | 23±3 mA/V |
Penetration factor (per 200 V of Ua change) | 1.5±0.3% |
Quiescent voltage (negative) | 10±2.5V |
Oscillation power (in impulse mode) | not less than 11 W |
Interelectrode capacitance: input output cross | 11.1±1.1 pF 4.6±0.4 pF 0.075±0.02 pF |
Operational limits
Filament voltage | 12-13.2 V |
Anode voltage in continuous mode | 2.5 kV |
Anode voltage at field-emission cathode | 3 kV |
Instantaneous anode voltage | 5 kV |
Peak anode voltage | 9 kV |
Grid voltage | 80 V |
Negative grid voltage (minimum) | 400 V |
Impulse grid voltage | 600 V |
Negative impulse grid voltage (minimum) | 900 V |
Cathode current | 0.6 A |
Impulse anode current (DC component) | 7.5 A |
Anode power dissipation | 350 W |
Grid power dissipation | 7 W |
Wavelength in impulse mode (minimum) | 11 cm |
Impulse duration | 10 µs |
Anode flank temperature | 200 oC |
Anode heatsink temperature | 160 oC |
Cathode terminal temperature | 100oC |
Grid terminal temperature | 200oC |
External ceramic parts temperature | 250oC |
Grid circuit resistance | 10 Ohm |
Ambient air temperature | -60..+70 oC |