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- Q1231614 subject Q7486881.
- Q1231614 subject Q8411312.
- Q1231614 abstract "The control grid is an electrode used in amplifying thermionic valves (vacuum tubes) such as the triode, tetrode and pentode, used to control the flow of electrons from the cathode to the anode (plate) electrode. The control grid usually consists of a cylindrical screen or helix of fine wire surrounding the cathode, and is surrounded in turn by the anode. The control grid was invented by Lee De Forest, who in 1906 added a grid to the Fleming valve (thermionic diode) to create the first amplifying vacuum tube, the Audion (triode).".
- Q1231614 thumbnail Triode_schematic_labeled.svg?width=300.
- Q1231614 wikiPageWikiLink Q1053.
- Q1231614 wikiPageWikiLink Q1066433.
- Q1231614 wikiPageWikiLink Q11656.
- Q1231614 wikiPageWikiLink Q152466.
- Q1231614 wikiPageWikiLink Q1544877.
- Q1231614 wikiPageWikiLink Q1632964.
- Q1231614 wikiPageWikiLink Q1682160.
- Q1231614 wikiPageWikiLink Q175233.
- Q1231614 wikiPageWikiLink Q176129.
- Q1231614 wikiPageWikiLink Q176140.
- Q1231614 wikiPageWikiLink Q176161.
- Q1231614 wikiPageWikiLink Q176212.
- Q1231614 wikiPageWikiLink Q1952198.
- Q1231614 wikiPageWikiLink Q2225.
- Q1231614 wikiPageWikiLink Q2620762.
- Q1231614 wikiPageWikiLink Q27094.
- Q1231614 wikiPageWikiLink Q332683.
- Q1231614 wikiPageWikiLink Q354863.
- Q1231614 wikiPageWikiLink Q3574371.
- Q1231614 wikiPageWikiLink Q37756.
- Q1231614 wikiPageWikiLink Q4748492.
- Q1231614 wikiPageWikiLink Q5608606.
- Q1231614 wikiPageWikiLink Q7202198.
- Q1231614 wikiPageWikiLink Q746825.
- Q1231614 wikiPageWikiLink Q7486881.
- Q1231614 wikiPageWikiLink Q753.
- Q1231614 wikiPageWikiLink Q8411312.
- Q1231614 wikiPageWikiLink Q897.
- Q1231614 comment "The control grid is an electrode used in amplifying thermionic valves (vacuum tubes) such as the triode, tetrode and pentode, used to control the flow of electrons from the cathode to the anode (plate) electrode. The control grid usually consists of a cylindrical screen or helix of fine wire surrounding the cathode, and is surrounded in turn by the anode.".
- Q1231614 label "Control grid".
- Q1231614 depiction Triode_schematic_labeled.svg.