“pentode”的英文意思_释义_用法

单词

pentode

释义

pentode Electronics.|ˈpɛntəʊd|
[f. penta- + -ode.]
A thermionic valve having five electrodes. Also pentode valve.
1919W. H. Eccles in Electrician 18 Apr. 475/2 To be systematic I suggest ‘tetrode’ and ‘pentode’ for vacuum tubes with four or five electrodes.1928Daily Express 14 Dec. 5 One pentode valve will do the work of two ordinary valves, but it will be a heavy drain on dry batteries.1932E. V. Appleton Thermionic Vacuum Tubes ix. 111 The five electrode tube or pentode possesses a screen grid as does the tetrode, but also has an additional grid situated between the anode and the screen grid.1965IEEE Trans. Electron Devices XII. 350/2 Conventional beam pentodes can be designed on the computer to have uniform cathode current density.1973Whittle & Yarwood Exper. Physics xi. 296 The values recorded..are for a pentode valve used for audio-frequency operation, generally as the output stage of an audio-frequency amplifier.

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