Statements (21)
| Predicate | Object |
|---|---|
| gptkbp:instanceOf |
gptkb:smartphone
|
| gptkbp:category |
electronics
microwave technology |
| https://www.w3.org/2000/01/rdf-schema#label |
vacuum electron device
|
| gptkbp:includes |
gptkb:gyrotron
Tesla coil vacuum tube klystron |
| gptkbp:inventedBy |
20th century
|
| gptkbp:operatesIn |
gptkb:vacuum
|
| gptkbp:replacedBy |
solid-state device
|
| gptkbp:requires |
high voltage
vacuum environment |
| gptkbp:still_used_in |
high-power applications
|
| gptkbp:used_in |
gptkb:radar
communications microwave technology |
| gptkbp:usedFor |
amplification of electrical signals
generation of electromagnetic waves |
| gptkbp:bfsParent |
gptkb:Traveling_Wave_Tube
|
| gptkbp:bfsLayer |
7
|