This tube was developed by Amperex and is listed as a low distortion zero bias Class B Amplifier and Modulator and as a high efficiency RF multiplying power amplifier and conventional RF power amplifier. It has an amplification factor of 90 and DC plate voltage of 750 - 1500. First announced in QST magazine February 1937
Abmessungen (BHT) inkl. Stifte/Spitzli
x 172 x 54 mm / x 6.77 x 2.13 inch
Literatur
Tube Lore (II) p. 150
Tube Lore (I)
-- Original-techn. papers.
Taschenbuch zum Röhren-Codex 1948/49
ZB120: Mfg. data sheet
Jay Kinnard
ZB120: ARRL Handbook 1972
Anonym 10 Sammler
Just Qvigstad
ZB120: Manufacturer's Literature
Emilio Ciardiello
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