Impulse modulating beam double tetrode for use in fixed and mobile radio equipment.
Case type: glass, baseless. Mass 800 g. Cooling – ambient or forced air
Main parameters (at Uf=26 V, Ua=2.75 kV, Ug2=2 kV, Ug1=-900 V, Ug1.imp=350 V, τ=5µs, pulse ratio 200)
| Filament current, A | 5.9±0.5 |
| Anode impulse current, A | ≥52.0 |
| Anode impulse current (at Uf=23.5 V), A | ≥42 |
| 1st grid impulse current, A | ≤9 |
| 1st grid reverse current (at Uf=28 V, Ug2=1.25 kV, Ua=1.25 kV), µA | ≤350 |
| 2nd grid impulse current, A | ≤10 |
| Cut-off voltage (negative, at Ua=22 kV, Ia=0.2 mA), V | ≤900 |
| Interelectrode capacitance, pF input output input-to-output | 80±15 11.5±3.5 ≤0.9 |
| Durability, h | ≥235 |
| Durability test anode impulse current, A | ≥45 |
Operational limits
| Filament voltage V | 23.5-28.5 |
| Anode voltage, kV | 22 |
| 2nd grid voltage, kV | 2 |
| 1st grid voltage (negative), kV | 1 |
| 1st grid impulse voltage, V | 350 |
| Cathode impulse current, A | 85 |
| Anode power dissipation, W | 125 |
| 2nd grid power dissipation, W | 20 |
| 1st grid power dissipation, W | 3.2 |
| Impulse duration, µs | 5 |
| Envelope temperature, oC | 200 |
| Ambient air temperature, oC | -60..+85 |
