Pulse modulator triode GI-49B for generating and amplifying oscillations of the decimeter wavelength range in continuous and pulsed modes with cyclic switching of supply voltages in circuits with a common grid. Design - metal-ceramic. Cooling - air, forced. Durability - not less than 1000 hours. Weight - 150 g.

1. Filament current 0.94 ± 0.08 mA.

2. Working point 3 V.

3. The steepness of the characteristic (when Uс1 changes by 1 V), not less than 15 mA / V.

4. Time of readiness, no more than 55 s.

5. Useful oscillatory power in continuous mode, not less than 75 W.

6. Grid current in continuous mode 0.8 A.

7. Interelectrode capacities:

– input 7.5 ± 1.5 pF,

– output, no more than 0.06 pF,

– straight line 2.7 ± 0.5 pF.

8. Heater voltage 12 – 13.2 V.

9. The power dissipated by the grid is 2 W.

10. The range of working ambient temperatures is from -65 to +125 C.

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