Data set 01
1963 Siemens
Published operating points and test conditions from this source.
Tetrode
Other
Heater voltage UF 4,5 V
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at UA = UG2 = UG1 = 300 V
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at UA = 2 kV,
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UG2 = 500 to 800 V,
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at UA = 2 kV,
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UG2 = 800 V,
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Frequency f 960 MHz
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Anode voltage (dc) UA 7,0 kV
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Screen grid voltage (dc) UG2 1000 V
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Control grid voltage (dc) UG1 – 200 V
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Anode dissipation PA 20 kW
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Screen grid dissipation PG2 180 W
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Control grid dissipation PG1 80 W
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Frequency f 470 … 800 MHz
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Anode voltage (dc) UA 6,0 kV
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Screen grid voltage (dc) UG2 800 V
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Control grid voltage (dc) UG1 – 112 V
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Anode dissipation, black level PA SW 14,6 kW
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Frequency f 960 MHz
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Anode voltage (dc) UA 7,0 kV
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Screen grid voltage (dc) UG2 1000 V
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Control grid voltage (dc) UG1 – 200 V
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Anode dissipation PA 20 kW
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Screen grid dissipation PG2 180 W
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Control grid dissipation PG1 80 W
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Frequency f 470 … 800 MHz
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Anode voltage (dc) UA 6,4 kV
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Screen grid voltage (dc) UG2 800 V
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Control grid voltage (dc) UG1 – 112 V
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Anode dissipation, black level PA SW 19 kW
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UG1 = f (UA) Parameter = IA
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UG2 = 800 V Parameter = IG2
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Current
Heater current IF ≈ 200 A
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Emission current I em 45 A
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IA = 3 A
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Cathode current (dc) IK 6,0 A
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Peak cathode current IK M 30 A
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Zero-signal anode current (dc) IA 0 1,8 A
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Anode current (dc), black level I A SW 3,7 A
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Screen grid current (dc), black level I G2 SW 90 mA
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Cathode current (dc) IK 6,0 A
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Peak cathode current IK M 30 A
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Zero-signal anode current (dc) IA 0 2,2 A
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Anode current (dc), black level I A SW 5,0 A
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Screen grid current (dc), black level I G2 SW 140 mA
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Ø 0,12 mm should be used to test the anode overcurrent trip circuit.
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Characteristic
Amplification factor of screen grid µg2g1 7,5
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Transconductance s 120 mA/V
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