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GU-5B (??-5?) Soviet Military Power Tetrode, US $410 – Picture 0
GU-5B (??-5?) Soviet Military Power Tetrode, US $410 – Picture 0

Gu-5b (??-5?) Soviet Military Power Tetrode

US $410

  • Coleville, California, United States
  • Jan 29th
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Condition: New, A brand-new, unused, un opened, un damaged item in its original factory packaging. Powerful generator for generating and amplification ofhigh frequency oscillations in radio transmitters and industrial generators forhigh-frequency heating. New. The lamp can be operated insystems with a common grid. Design - metal glass. Dimension - (210x 100) mm. Weight - 2,5 kg. Content of silver -1,5258 g. Content of tantalum - 4,03 g. Operating position - vertical, anode down. Cooling - enforcement: - The anode - the air is not less than 400 m3/h; - Balloon - the air is not less than 40 m3/h, - Legs - at least 400 air m3/h The mainparameters for Uh = 12 V, Ua = 3 kV, Ia = 0,4 A: Filament current                                             23 (+1... -3) A. The reverse grid current                                <20 µA. The emission current of the cathode (at Ua = Ug = 500 V)> 6 A. Anode Ion (at Ua = 500 V)                             <40 µA. Anode current (at Ug = 0 V)                           0.55± 10% A. Mutual conductance                                       15 ± 3 mA/V. Gain (at Ia = 0,5 A, Ua = 2 and 4 kV)             (72.5± 12,5). Output power (at a frequency of 25 MHz)      >3.5 kW. Interelectrode capacitance: - Input        <19 pF; - Output     <16 pF; - Passage <0.5 pF. Limitoperating data: Heater voltage 12.6 V. Anode voltage at a frequency of 30 MHz up to 5 kV. Anode voltage at a frequency of 110 MHz up to 4 kV. Filament current of 40 A inrush. Power dissipation at the anode 2.5 kW. Power dissipation at the grid 150 W. The operating frequency of 110 MHz. Max. operating frequency 250 MHz. Low cylinder legs and places of junction of the metalto glass 150 °C. Operating temperature range ambient PG-5A (+5 to +70) °C. Operating temperature of the environment of the SU-5Bfrom (-60 to +70 °C.

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