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Transconductance (for transfer conductance), also infrequently called mutual conductance, is the electrical characteristic relating the current through the output of a device per the voltage across the input of a device. Conductance is the reciprocal of resistance. Transadmittance (or, transfer admittance) is the AC equivalent of transconductance. == Definition == It is very often denoted as a conductance, ''g''m, with a subscript, m, for ''mutual''. Transconductance is defined as follows: : For small signal alternating current, the definition is simpler: : The SI unit, the siemens, with the symbol, S; 1 siemens = 1 ampere per volt replaced the old unit of conductance, having the same definition, the ''mho'' (ohm spelled backwards), symbol, ℧. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Transconductance」の詳細全文を読む スポンサード リンク
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