Powerful generator tetrode GU-47B for operation as a generator and amplifier of high-frequency oscillations in the single-sideband amplification mode.
Decoration - glass-metal.
Cooling - forced:
— anode — air not less than 400 m3/h
— legs — air not less than 30 m3/h.

1. Glow current 60 ± 5 A.
2. Anode current (at Ua=5 kV), not less than 0.55 A.
3. Anode current (at Uс1=0), not less than 3.2 A.
4. Emission current (at Ua=Uc2=Uc1=300 V), not less than 15 A.
5. Slope 40 ± 4 mA/V.
6. Gain factor of the 2nd grid relative to the 1st 11 ± 1.5.
7. Output power (at a frequency of 70 MHz, at Ua=6 kV), not less than 6 kW.
8. Output power (at a frequency of 70 MHz, at Ua=6 kV, Ic1=5 mA), not less than 4 kW.
9. Interelectrode capacitances:
– input, no more than 95 pF,
– output, no more than 19 pF,
– through passage, no more than 0.5 pF.
8. Weight, no more than 3.2 kg.
9. Heating voltage 6.0 – 6.6 V.
11. Power dissipated by the anode 6 kW.
12. The temperature of the glass and the places of glass junctions with metal is 150 C.
13. Durability, not less than 2000 hours.

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Warranty
All products are covered by a standard 6-month warranty.
Extended warranty is available upon request and is agreed individually; it may affect the final product price.