TEST: Uh=12,6V, Ia=50mA, Ua=100V, Ug2=100V, Ig2< or =5mA
№1. 1979 Ig2=2,4mA
№2. 1989 Ig2=3,2mA
GU-50 - generator beam pentode. Designed to work as a generator and amplifier of oscillations in the frequency range up to 120 MHz.
1 Cathode
2 First grid
3 Second grid
4-8 Heater
5 Third grid
6 Anode
7 Internal screen
GU-50 parameters:
(nominal mode)
Filament voltage 12.6V
Filament current 705±65mA
Anode voltage 800V
Second grid voltage 250V
The voltage of the first grid is negative 40±15V
Permeability of the first mesh relative to the second 19±3%
Steepness 4.25±1.25mA/V
Oscillatory power >55W
oscillatory power at Un=10.8V >40W
Input capacitance 14±1pF
Output capacitance 9.15±1.15pF
Pass-through capacitance <0.1pF
Dimensions Ø45.3x93.5mm
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