Impulse modulating beam double tetrode for use in fixed and mobile radio equipment. Case type: glass, baseless. Mass 70 g
Main parameters (at Uf=12.6 V, Ua=1000 V, Ug2=700 V, U’g1=U’’g1=-150 V, U’g1.imp=-100 V, Ia=200 mA, τ=1µs, pulse ratio 1000)
| Filament current, A | 1.1±1 |
| 1st grid reverse current, µA | ≤3 |
| 2nd grid impulse current, A | ≤3 |
| Anode impulse current, A | ≥8.0 |
| Anode impulse current (at Uf=11.4 V), A | ≥7.5 |
| Grid-to-filament leakage current, µA | ≤100 |
| 1st grid cut-off voltage (negative, at Ua=4000 V, Ug1=800 V, Ia=0.2 A), V | 125-55 |
| Interelectrode capacitance, pF input output input-to-output | 14.5±3.5 5.2±1 ≤0.2 |
| Durability, h | ≥600 |
| Durability test anode impulse current (at Uf=11.4 V), A anode impulse current, A | ≥5 ≥7 |
Operational limits
| Filament voltage in series mode, V | 11.4-14 |
| Filament voltage in parallel mode, V | 5.7-7 |
| Anode voltage, V | 4000 |
| 2nd grid voltage, V | 800 |
| 1st grid voltage, V | 200 |
| 1st grid impulse voltage, V | 150 |
| Cathode-to-filament voltage, V | 150 |
| Cathode-to-filament negative voltage, V | 150 |
| Cathode impulse current, A | 15 |
| Anode power dissipation, W | 15 |
| 2nd grid power dissipation, W | 3 |
| 1st grid power dissipation, W | 1 |
| Impulse duration, µs | 5 |
| Envelope temperature, oC | 260 |
| Ambient air temperature, oC | -60..+90 |
