The generator tetrode GU-84B is designed to operate in medium-power electronic devices with distributed amplification and amplification of a single-sideband signal with an output power of up to 1.5 kW at a frequency of 75 MHz, as well as a power amplifier at frequencies up to 250 MHz with an output power of up to 1, 2 kW.
The cathode is indirectly heated oxide.
Decoration - metal-ceramic.

1. Heating voltage 27 V.
2. Glow current 3.4-4.0 A.
3. Negative bias voltage (at Ua=750 V, Uc2=375 V, Ia=2000 mA) 10-50 V.
4. Locking voltage on the first grid (at Ua=2000 V, Uc2=375 V, Ia=20 mA), not more than 150 V.
5. Zero anode current (at Ua=250 V, Uc2=375 V, Uc1=0 V) 3.5-6 A.
6. Reverse current of the first grid (at Ua=1000 V, Uc2=375 V, Ia=2000 mA), not more than 80 μA.
7. Current of the second grid (at Ua=750 V, Uc2=375 V, Ia=2000 mA) 25 ± 60 mA.
8. The steepness of the characteristic (at Ua=750 V, Uc2=375 V, Ia=) 44-72 mA/V.
9.Output power:
– in class AB mode on a frequency of 0.1 – 1 MHz, not less than 1.5 kW,
– in class B mode at a frequency of 250 MHz, not more than 1.2 kW.
10. Interelectrode capacitances:
– input, no more than 115 pF,
– output, no more than 23 pF,
– through passage, no more than 0.2 pF.
11. Operating ambient temperature range from -10 to +70 C.
12. Heating voltage 25.6-28.4 V.
13. Weight not more than 1.3 kg.

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