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Параметры и характеристики .
GI-44B
Electron tube.
Generating Thetrode in metal-ceramic performance with separate cathode.
Air cooling.
Tube is designed for amplification of high frequency pulses with short off-duty factor by driving of 2nd grid.
Minimum life time = 1000 hours.
Maximum stock time = 12 years.
Limit values:
Anode voltage = no more than 3700 V
Anode voltage with 400 and more off-duty factor = no more than 4000 V
2nd grid voltage = no more than 800 V
2nd grid voltage with 400 and more off-duty factor = no more than 850 V
Anode voltage without anode current (closed tube) = no more than 4200 V
1st grid bias voltage = -100 V ... 0 V
2nd grid blocking voltage = no more than -60 V
Heater voltage = 6.0 ... 6.6 V
Anode pulse current = no more than 2.25 A
1st grig pulse current (Ug2=800 V) = no more than 0.9 A
2nd grig pulse current = -0.3 ... 0.3 A
Anode dissipation = 100 Watt
1st grid dissipation = 3 watt
2nd grid dissipation = 3 watt
Maximum driving power in pulse at f=1667 MHz = 225 Watt
Optimum driving power in pulse at f=1667 MHz = 200 Watt
Maximum driving power in pulse at f=3000 MHz = 400 Watt
Output power at f=1667 MHz = at least 3500 Watt
Output power at f=3000 MHz = 1365 ... 3000 Watt
Off-duty factor at f=1667 MHz = at least 80
Off-duty factor at f=3000 MHz = at least 200
Pulse duration = no more that 15 mks
Heating time = no more that 90 sec
Maximum allowable temperature of the tube = 200 degree of Celsius
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