Impulse generating triode for use as a high-frequency generator (S-band and L-band) at anode impulse modulation.
Case type: metal-ceramic.
Mass 18 g.
Main parameters (at UF = 6.3 V, UA = 0.35kV, IA = 35 mA)
| Filament current, A | 0.95±0.05 |
| Reverse filament current (at UG1 = 2 V), µA | ≤2 |
| Anode current, mA | 58.5±23.5 |
| Mutual transconductance, mA/V | ≥15 |
| Operating point negative voltage, V | 2.5+2.5/-1.5 |
| Oscillating impulse power (at UA = 2.5 kV, IA = 2.1 A, τ= 2 µs, pulse ratio 500), W | ≥1500 |
| Interelectrode capacitance, pF input output input-to-output | ≤5 ≤0.04 ≤2.7 |
| Durability, h | ≥2000 |
| Durability test oscillating impulse power, W oscillating power variation | ≥1300 (1200*) ≤20 (35*) % |
Operational limits
| Filament voltage, V | 6..6.6 |
| Anode impulse voltage (at τ≤3 µs), kV | 2.8 |
| Anode impulse current (at τ≤3 µs), A | 2.5 |
| Anode power dissipation, W | 10 |
| Grid power dissipation, W | 0.5 |
| Wavelength, cm | 7..100 |
| Pulse ratio (minimum) | 400 |
| Envelope temperature, oC | 200 |
| Linear acceleration, g | 100 |
| Vibratory loads frequency, Hz acceleration, g | 5..400 10 |
| Multiple mechanical impact acceleration, g | 150 |
| Single mechanical impact acceleration, g | 500 |
| Ambient air temperature, oC | -60..+100 |
Standard operating conditions (anode keying)
| Filament voltage, V | 6.3 |
| Anode impulse voltage, kV | 2.5 |
| Anode impulse current, A | 3.1 |
| Wavelength, cm | 14.5 |
| Oscillating impulse power, kW | about 1.5 |
| Impulse duration, µs | 0.6..3 |
| Pulse ratio | 500 |
| Self-bias cathode circuit resistance, Ohm | 10..70 |
*for GI-31R
