Western Electric 444A Traveling wave tube (TWT)
Tube à propagation d'onde / Tube à ondes progressives
Wanderfeldröhre
Intended for use as radio-frequency output amplifier, and a source of local-oscillator power, in the TH1 radio system.
The 444A became the first TWT to be shipped for customer use (1959).
Still being used in 1968.
Fiche technique • Data sheet • Datenblatt:
444A.pdf
![Western Electric 444A Traveling wave tube (TWT)](mw017a.jpg)
Click to enlarge
Longueur • Length • Länge : 31 cm • 12" 1/4
Diamètre • Diameter • Durchmesser : 24 & 8 mm • 1" & 1/4"
![Western Electric 444A Traveling wave tube (TWT)](mw017b.jpg)
![Western Electric 444A Traveling wave tube (TWT)](mw017c.jpg)
![Western Electric 444A Traveling wave tube (TWT)](mw017d.jpg)
![Western Electric 444A Traveling wave tube (TWT)](mw017e.jpg)
![Western Electric 444A Traveling wave tube (TWT)](mw017f.jpg)
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