- plate dynatron oscillator
- 陽極負阻管振蕩器
English-Chinese dictionary. 2013.
plate dynatron oscillator
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Dynatron oscillator — A dynatron oscillator is an electronic circuit that uses negative resistance to keep an LC tank circuit oscillating. In theory, if an ideal capacitor is connected in parallel with an ideal inductor, they form a resonant circuit that, once it… … Wikipedia
Dynatron — For the brand, see Dynatron Radio Ltd The dedicated dynatron vacuum tube was invented by Albert Hull in 1918 [http://ieee.cincinnati.fuse.net/newsletters/200401.pdf] . It has three electrodes: a thermionic cathode, a perforated anode, and a… … Wikipedia
dynatron — /duy neuh tron /, n. Electronics. a tetrode, once frequently used as an oscillator in radio, in which an increase in the plate voltage results in a decrease in the plate current because of emission of electrons from the plate. [1915 20; DYNA +… … Universalium
dynatron — /ˈdaɪnətrɒn/ (say duynuhtron) noun a radio valve consisting of three electrodes, in which as the plate voltage increases there is a decrease in the plate current because of emission of electrons from the plate; once frequently used as an… …
Vacuum tube — This article is about the electronic device. For experiments in an evacuated pipe, see free fall. For the transport system, see pneumatic tube. Modern vacuum tubes, mostly miniature style In electronics, a vacuum tube, electron tube (in North… … Wikipedia
Secondary emission — is a phenomenon where additional electrons, called secondary electrons, are emitted from the surface of a material when an incident particle (often, charged particle such as electron or ion) impacts the material with sufficient energy. The number … Wikipedia
Screen grid — The screen grid is a grid introduced into a vacuum tube (thermionic valve) to greatly reduce the capacitance between two other parts of the electrode structure.In its simplest form, a screen grid is placed between the control grid and anode or… … Wikipedia
Albert Hull — Infobox Scientist name = Albert Wallace Hull box width = caption = Albert Wallace Hull birth date = birth date|1880|4|19 birth place = Southington, Connecticut death date = death date and age|1966|1|22|1880|4|19 death place = residence = United… … Wikipedia
tetrode — /te trohd/, n. Electronics. a vacuum tube containing four electrodes, usually a plate, two grids, and a cathode. [1900 05; TETR + ODE1] * * * ▪ electronics vacuum type electron tube with four electrodes. In addition to the cathode filament … Universalium
