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GI-43A

OSCILLATOR TUBE
The GI-43A oscillator tube is a power pulse tetrode contained in a ceramic-and-metal envelope having a thoriated tungsten carbonized filament cathode and a water-cooled external anode. The tube is designed for wide-band signal amplification at output pulse power up to 500 kW, at frequency up to 200 MHz in stationary electronic equipment.

Limits of Operating Conditions

Filament voltage, (alternativing or direct), V
7.9
Filament start current, A
600
Anode pulse voltage, kV
25
First grid voltage (negative), kV
1.5
Second grid voltage, kV
2.2
Anode power prolonged dissipation, kW
15
First grid power prolonged dissipation, W
200
Second grid power prolonged dissipation, W
400
Anode pulse current (constant component in class B), A
55
Operating frequency, MHz
200
Pulse duration, M
at oscillation power 500 kW
500
at oscillation power 350 kW
1000
On-off time ratio
50
Readiness time, S
25
Temperature of ceramic-to-metal sealing,°C
150

Overall dimensions

Diameter, mm, max
205
Height, mm, max
288
Mass, kg, max
11