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triode vacuum tube造句

"triode vacuum tube"是什么意思   

例句與造句

  1. Before 1915, triode vacuum tubes were spherical or shaped like an incandescent light bulb.
  2. In 1901, Reginald Fessenden demonstrated a triode vacuum tube oscillator.
  3. Miller capacitance was identified in 1920 in triode vacuum tubes by John Milton Miller.
  4. However the triode vacuum tube oscillator performed poorly above 300 MHz because of interelectrode capacitance.
  5. The triode vacuum tube made it possible to build amplifiers for broadcasting and for receivers.
  6. It's difficult to find triode vacuum tube in a sentence. 用triode vacuum tube造句挺難的
  7. The electronics revolution of the 20th century arguably began with the invention of the triode vacuum tube.
  8. The "'12AU7 "'and its variants are a miniature nine-pin ( B9A base ) medium-gain dual triode vacuum tube.
  9. In fact, each tube in VFD is a triode vacuum tube because it also has a mesh control grid.
  10. Cady s circuit used multiple triode vacuum tubes, and Pierce was able to reduce this to a single tube.
  11. In 1906, Lee De Forest invented the Audion triode vacuum tube, an electronic valve that could amplify weak electrical signals.
  12. In 1906, Lee De Forest invented the " Audion " triode vacuum tube, an electronic valve that could amplify weak electrical signals.
  13. He had been working on the first triode vacuum tube, the audion, but it was not sufficiently developed to replace the spade detector.
  14. Vacuum-tube tetrodes, using a screen grid, exhibit much lower grid-plate capacitance and much higher output impedance and voltage gains than triode vacuum tubes.
  15. Moving iron horn loudspeakers developed from earphones after the first amplifying device which could drive a speaker, the triode vacuum tube, was perfected around 1913.
  16. It contained approximately 1 mile ( 1.6 km ) of wire, 280 dual-triode vacuum tubes, 31 thyratrons, and was about the size of a desk.
  17. 更多例句:  下一頁

相鄰詞匯

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