GU-74 B = 4CX800A |
Tetrode |
The GU-74B tetrode is used in wideband nontunable amplifiers and for single-sideband power amplification in stationary and mobile RF equipment. |
GENERAL Cathode: indirectly heated, oxide-coated. Envelope: metal ceramic. Cooling: forced air. Height: at most 90 mm. Diameter: at most 71 mm. Mass: at most 550 g. |
1 - grid 1; 2, 4, 6 - cathode; 3, 7 - heater; 5, C2 - grid 2; A - anode; I - contact surfaces |
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Averaged Anode Characteristic Curves: Uf = 12.6V; Ug2 = 150V; - - - Pa max |
Averaged Anode Characteristic Curves: Uf = 12.6V; Ug2 = 250V; - - - Pa max |
Averaged Anode Characteristic Curves: Uf = 12.6V; Ug2 = 250V; - - - Pa max |
Averaged Anode Characteristic Curves: Uf = 12.6V; Ug2 = 300V; - - - Pa max |
_____ grid 2-anode; _ _ _ grid 1-anode |
Averaged Characteristic Curves: Uf = 12.6V; Ug2 = 300V; _____ grid 2-anode; _ _ _ grid 1-anode |
Averaged Characteristic Curves: Uf = 12.6V; Ug2 = 250V; _____ anode-grid; _ _ _ grid |
Averaged Characteristic Curves: Uf = 12.6V; Ug2 = 300V; _____ anode-grid; _ _ _ grid |
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