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单词 variable-mu tube
释义 variable-mu tube
[`ver·ē·ǝ·bǝl ¦myü `tüb]
ELECTRONICS
An electron tube in which the amplification factor varies in a predetermined manner with control-grid voltage; this characteristic is achieved by making the spacing of the grid wires vary regularly along the length of the grid, so that a very large negative grid bias is required to block anode current completely. Also known as remote-cutoff tube.
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