RCA 1630/VT128 UHF Orbital-Beam Hexode (Acorn)
Hexode à faisceau orbital (tube gland)
Orbital-Strahl-Hexode (Eichelröhre)

This tube was used in early SCR-270 radar sets as an electron multiplier preamplifier. Due to noise and reliability issues, it was eventually replaced by a module using 6J4 triodes.

Fiche technique • Data sheet • Datenblatt: 1630.pdf

• W.R. Ferris & H.M. Wagner, The Orbital-Beam Multiplier Tube for 500-Megacycle Amplification, Proceedings of the Radio Club of America, Vol. 18, No. 4, August, 1941.

 

Hauteur • Height • Höhe : 54 mm • 2" 1/8
Diamètre • Diameter • Durchmesser : 25 mm • 1"

 

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