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EF50

In the field of electronics, the EF50 is an early all-glass wideband remote cutoff pentode designed in 1938 by Philips. It was a landmark in the development of vacuum tube technology, departing from construction techniques that were largely unchanged from light bulb designs. Initially used in television receivers, it quickly gained a vital role in…

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Equivalents

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Map overview Semantic statistics

EF50

Nodes38
Edges37
Triples81
Avg. degree1.95
Density0.052632
Components1

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EF50

Top relations

related to VHF experiments · 26
EF50 → Despite, Dr, In Germany, Internationale Fernseh-Tagung, It, Jonker, Jonker's, New, Philips, Philips Research, Philips Research Technical Note, Prof, Professor, RCA, September, Stahlröhre, Strutt, Telefunken, Th, These
related to Flight from Holland · 18
EF50 → Because, Britain, British, Dutch, EF50s, England, Germans, Germany, HMS Windsor, Holland, Just, May, Mullard, On, Philips, RDF, Rotterdam, The
related to Equivalents · 17
EF50 → Aircraft Production Specification, British, Canada, Cossor, Holland, JAN, Marconi-Osram, Ministry, Mullard, Philips, Rogers Vacuum Tube Company, Sylvania Electric Products, To, United Kingdom, United States, Versions, Z90
related to Television requirements · 17
EF50 → Alexandra Palace, Baden John Edwards, British, Cambridge, Cathodeon, Donald Jackson, Eindhoven, Hi-Vac, In, MHz TRF, Mullard, Philips, Pye, Pye Ltd, Pye's, They, With
see also · 2
EF50 → Mullard EF50, Philips
is a · 1
EF50 → early all-glass wideband remote cutoff pentode designed in 1938 by Philips

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Important terminology

tube philips television used metal pye radar construction early holland using development light bulb made pins also mullard tubes glass

Entity relationships Subject–Predicate–Object triples

SubjectPredicateObjectConfidenceSrc
EF50is aearly all-glass wideband remote cutoff pentode designed in 1938 by Philips0.90text
EF50related to EquivalentsTo0.60section
EF50related to EquivalentsMarconi-Osram0.60section
EF50related to EquivalentsZ900.60section
EF50related to EquivalentsCossor0.60section
EF50related to EquivalentsUnited Kingdom0.60section
EF50related to EquivalentsMullard0.60section
EF50related to EquivalentsPhilips0.60section
EF50related to EquivalentsHolland0.60section
EF50related to EquivalentsVersions0.60section
EF50related to EquivalentsCanada0.60section
EF50related to EquivalentsRogers Vacuum Tube Company0.60section

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