Statements (32)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
Electronic Component
|
| gptkbp:alsoKnownAs |
Thermionic Valve
|
| gptkbp:category |
Analog Electronics
Vacuum Technology |
| gptkbp:component |
Anode
Cathode Grid |
| gptkbp:declineEra |
1950s
|
| https://www.w3.org/2000/01/rdf-schema#label |
Vacuum Tube
|
| gptkbp:introducedIn |
1904
|
| gptkbp:inventedBy |
gptkb:John_Ambrose_Fleming
|
| gptkbp:notableFor |
Electrode
Pentode Tetrode Triode |
| gptkbp:operatesIn |
gptkb:vacuum
|
| gptkbp:replacedBy |
transistor
|
| gptkbp:requires |
gptkb:Heater
|
| gptkbp:symbol |
🕳️
|
| gptkbp:usedFor |
Amplification
Rectification Switching |
| gptkbp:usedIn |
gptkb:Guitar_Amplifiers
gptkb:audio_equipment Televisions Radios Early Computers Audiophile Equipment High-power RF Transmitters |
| gptkbp:bfsParent |
gptkb:Vacuum_Tube_Amplifiers
gptkb:Vacuum_Tube_Oscillators |
| gptkbp:bfsLayer |
7
|