Powerful generator tetrode GU-47B for operation as a generator and amplifier of high-frequency oscillations in single-band amplification mode.
The GU-47B is 7kW Linear SSB POWER TETRODE.
Made in Poljaron factory, Lviv Ukraine, ex ussr.
Use in SSB Power amplification up to 70MHz.
GENERAL
Cathode: tugsten,carbidized,direct heating
Envelope:heating glass-to-metall,with ring leads of cathode and grids
Cooling: forced air:
Cooling - forced:
- anode - air not less than 400 m3/h
- legs - air not less than 30 m3/h.
Filament voltage: 6,3V
Filament current: 57-67A
Anode voltage: 3.0-6.0kV
Grid2 voltage: 0.9kV
Mutual conductance: 36-44mA/V
Height: 260 mm
Diameter: at most 124 mm
Mass: at most 3,5 kg