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.
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;
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.