triode vacuum tube造句
例句與造句
- Before 1915, triode vacuum tubes were spherical or shaped like an incandescent light bulb.
- In 1901, Reginald Fessenden demonstrated a triode vacuum tube oscillator.
- Miller capacitance was identified in 1920 in triode vacuum tubes by John Milton Miller.
- However the triode vacuum tube oscillator performed poorly above 300 MHz because of interelectrode capacitance.
- The triode vacuum tube made it possible to build amplifiers for broadcasting and for receivers.
- It's difficult to find triode vacuum tube in a sentence. 用triode vacuum tube造句挺難的
- The electronics revolution of the 20th century arguably began with the invention of the triode vacuum tube.
- The "'12AU7 "'and its variants are a miniature nine-pin ( B9A base ) medium-gain dual triode vacuum tube.
- In fact, each tube in VFD is a triode vacuum tube because it also has a mesh control grid.
- Cady s circuit used multiple triode vacuum tubes, and Pierce was able to reduce this to a single tube.
- In 1906, Lee De Forest invented the Audion triode vacuum tube, an electronic valve that could amplify weak electrical signals.
- In 1906, Lee De Forest invented the " Audion " triode vacuum tube, an electronic valve that could amplify weak electrical signals.
- He had been working on the first triode vacuum tube, the audion, but it was not sufficiently developed to replace the spade detector.
- 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.
- 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.
- 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.
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