Elektronenröhre

FU611F/FU612F/FU613F seriesOutput power 10 kW General characteristics Cathode Thoriated tungsten Heating Direct Filament 7.5±0.35V Filament current51.5A Inter-electrode capacitances (cathode earthed), approx.: Input 35pF Output0.9pF Feed-through20pF Amplification factor (average)22 Operating position Vertical, anode up or down Weight,( approx.) FU611F 2.8Kg FU612F 3.2Kg FU613F2.9Kg Anode coolingForced air Temperature on the surface of the tube, max. 250 centidegree Maximum ratings Frequency FU612F/FU613F75 MHz FU611F110MHz Anode voltage5.5Kv Anode current2A Grid voltage-1kV Anode dissipation2670W Grid dissipation150W Typical operation RF amplifier plate modulated Example 1 Example 2 Example 3 Frequency ≤30 ≤30 ≤30 kW Output power 5 5.3 5.3 kW Anode voltage 4 4.55 kV Grid bias voltage -450 500 -500 V Anode current1.67 1.47 1.25A Grid current 180 140 150 mA