2pcs. GI-46B TUBE Russian power amplifier NOS in BOX SAME DATE QRO HF VHF UHF

Description

GI-46B
POWER TRIODE TUBE
NOS in original BOX
lot  2pcs.  or more...
SAME DATE
Military acceptance stamp
"
rhomb
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Stamp of technical control department of the manufacturer
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ОТК
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The GI-46B triode generates and amplifies RF oscillations in continuous-wave and pulsed operation with anode modulation
GENERAL
Cathode: indirectly heated, oxide-coated;
Envelope: metal-caramic with ring leads of cathode, heater and grid;
Cooling: forced air;
Height: at most 113mm with heat sink, 69mm with no heat sink;
Diameter: at most 65mm with heat sink, 55mm with no heat sink;
Mass: at most 620g with heat sink, 205g with no heat sink.
Technical characteristics of GI-46B:
GI-46B filament current - 2.45 ± 0.15 A.
The working point is negative - 7.05 ± 1.35 V.
The slope of the characteristic is 21.5 ± 4.5 mA / V.
Reverse grid current - no more than 40 μA.
Cathode emission current at Uа = Uс = 400 V - not less than 24 A.
Permeability when Ua changes by 200 V - 0.6 ± 0.2%.
The useful power in the continuous generation mode at Un = 8.5 V, Uа = 1.5 kV, Iа = 350 mA, ׀ = 29 cm - not less than 120 W.
The readiness time of the GI-46B triode is no more than 100 s.
Interelectrode capacities:
- input - 16.5 ± 2 pF;
- straight line - 5.75 ± 0.65 pF.
The durability of GI-46B lamps is at least 500 hours.
- useful power - not less than 96 W;
- negative working point - 7 ± 3 V.
GI-46B glow voltage - from 7.7 V to 13.9 V.
Anode voltage - 1.9 kV.
The pulse voltage of the anode is 15 kV.
The power dissipated by the anode is 350 W.
The power dissipated by the grid is 20 W.
DC anode current - 350 mA.
Anode current in a pulse - 15 A.
The duty cycle of the GI-46B triode is 500.
The pulse duration is 15 μs.
Resistance in the grid circuit is 10 kOhm.
The temperature of the anode withdrawal is + 200 ° C.
Mesh output temperature - + 200 ° С.
The cathode outlet temperature is + 120 ° С.
Cooling of the GI-46B lamp - forced air 24 m3 / h.
Robust packaging, protection against shock and vibration
Dates and printing "
OTK
"
on tube may be different, and not necessarily with photos of lots.
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