Analog Metric Limited
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Shuguang Vacuum Tube 811
Emitter Tube: 811 (FU-811)
Compatible with: UY-807
DESCRIPTION
Direct heating, thorium cathode, high gain triode 811 can be used in wireless equipment for power amplification.
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Analog Metric Limited
SPECIFICATION
Filament Heating Uf ………………………6.3V If………………………….4A
Maximum Ratings Plate voltage……………………….1250V Plate power dissipation..……………40W Plate current………………………..125mA Grid current………………………….50mA
Capacitance Input capacitance……………………5.5pF Output capacitance…………………0.6pF Muller capacitance……………………5.5pF
DC Parameters Ua………………….2000V -Ug…………………….2V Ia……………………..26mA u(when Ia=20mA)….160mA
Recommended Operating Condition (suggested value) Class B A-F power amplification or modulation, f...
