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Forums
Engineering
Electrical Engineering
Questions about vacuum tube data sheets
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[QUOTE="Tom.G, post: 5500313, member: 581973"] After reading the data sheet and graphs on the link you gave, here is my interpretation: Ra is the internal effective Plate Resistance of the tube. This is usually shown for a triode used in a gain stage so you can calculate the actual in-circuit voltage gain. It is the slope of the Plate Characteristic Curve. Ra-a is the primary impedance of the output transformer used for nominal Push-Pull operation. [/QUOTE]
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Questions about vacuum tube data sheets
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