| 单词 | saturation current |
| 释义 | > as lemmassaturation current saturation current n. (a) the greatest amount of current that can be carried by a gas (obsolete); (b) Electronics the amount of current at the anode of a thermionic valve or the collector or drain terminal of a transistor during saturation (sense 12b). ΘΚΠ the world > matter > physics > electromagnetic radiation > electricity > electric current > [noun] > maximum saturation current1896 the world > matter > physics > electromagnetic radiation > electronics > electronic phenomena > [noun] > maximum current for device saturation current1896 the world > matter > physics > solid state physics > semiconductivity > transistor > [noun] > specific state of operation > current in saturation current1896 the world > matter > physics > electromagnetic radiation > electronics > electronic devices or components > thermionic valve > [noun] > specific condition of valve > current of saturation current1896 1896 London, Edinb., & Dublin Philos. Mag. 5th Ser. 42 403 The saturation current depends only on the number of conducting particles produced by the rays. 1929 B.B.C. Year-bk. 1930 450/2 As the anode voltage applied to a three-electrode valve is increased, the anode current also increases up to a point, when a further increase in anode voltage does not increase the anode current. This maximum value of the current is called the ‘saturation current’. 1954 L. M. Krugman Fund. Transistors iii. 43 The saturation current is composed of two components. The first is formed by thermally generated carriers which diffuse into the junction region. The second component is an ohmic characteristic which is caused by surface leakage across the space charge region. 2000 J. Breithaupt Understanding Physics for Adv. Level (ed. 4) xxvii. 562 The saturation current depends on the filament current. < as lemmas |
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