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Engineering
Electrical Engineering
Questions about vacuum tube data sheets
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[QUOTE="Planobilly, post: 5499122, member: 583423"] Hi Svein, To be clear my first question was only about symbols used in data sheets and their meaning. So..do the symbols Ra-a and Za-a and Zout have the same meaning? I assume they do. Back in the day when we actually spoke English none of this was an issue...lol as can be seen on this RCA data sheet of the same tube number. The easy to understand term load resistance was used and stated based on plate voltage. I guess it was also assumed that one knew this value represented the output impedance of the tube based on some standard frequency. [ATTACH=full]102079[/ATTACH] Many people today use the RCA data sheets with the misguided idea that tubes of the same number and of current manufacturer have the same exact values and properties. Thanks, Billy [/QUOTE]
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Questions about vacuum tube data sheets
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