Designed to amplify voltage and generate high frequency oscillations. It is used in VHF receivers as a high frequency amplifier with a grounded grid, as well as a mixer and a local oscillator. It can be used in pulse circuits and low frequency pre-amplification stages. Indirectly heated oxide cathode. Works in any position. Durability not less than 500 hours. Weight not more than 15 g.

1. Heater voltage 6.3 ± 0.6 V.
2. Filament current 350 ± 30 mA.
3. Nominal anode voltage (constant) 150 V.
4. The anode voltage limit (constant) 300 V.
5. The anode current of each triode is 8.5 ± 3.5 mA.
6. The cathode current of each triode is 18 mA.
7. Grid voltage nominal (constant) -2 V.
8. Reverse current of the grid of each triode, no more than 0.1 μA.
9. The power dissipated by each anode is 1.8 watts.
10. The voltage between the cathode and the heater is limiting (constant):
– with a negative potential of the heater 150 V,
– with a positive potential of the heater 100 V.
11. The slope of the characteristic of each triode is 5.9 ± 1.9 mA.
12. The gain of each triode is 36 ± 8.
13. Input impedance at a frequency of 60 MHz is 14 kOhm.
14. Output impedance at a frequency of 60 MHz 19 kOhm.
15. Equivalent resistance of intra-lamp noise 0.7 kOhm.
16. The input capacitance of each triode is 2.45 ± 0.55 pF.
17. The output capacitance of each triode is 1.25 ± 0.35 pF.
18. Throughput capacity of each triode, no more than 1.6 pF.
19. Capacitance between the anodes, no more than 0.13 pF.
20. Design – miniature glass.

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