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Vacuum tubes by use » HAM Radio tubes » GU78B / GU-78B / GU78-B tetrode tube
GU78B / GU-78B / GU78-B tetrode tube
Manufacturer: Svetlana factory
$499.00/ea
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Available quantity:
last 5 pc.
The GU-78B tetrode is used for power amplification in distributed amplifiers and single-sideband signal amplifiers at frequencies up to 250 MHz, in RF industrial engineering equipment.

  • Name: GU78B;
  • Type: tetrode;
  • Cathode type: oxide, indirect heating;
  • Application field: power amplification in distributed amplifier and amplification of SSB signals up to 1.5kW up to 75MH;
  • Brief application: amplification;
  • Envelope: metall-ceramic;
  • Cooling method: forced air;
  • Dimensions: 120mm x 111mm;
  • Mass: 1.8 kg;
  • Filament voltage: 27 V;
  • Filament current: 3.4 - 4 A;
  • Mutual conductance: 40 to 80 mA/V;
  • Output power: 2.5 kW;
  • Maximum anode voltage: 300V/6,2kV in peak;
  • Maximum operating frequency: 250MHz.

    Tube comes without foam factory box (like on top picture) for reduce shipping cost.

    NOS !!!


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