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3B4

Country: United States of America (USA) Brand: Common type USA tube/semicond. Developer: Hytron; Salem (MA)  Tube type:  Beam Power Tube   VHF  Identical to 3B4 = DL98 = CV2240 = HD30 Similar Tubes Other class quality (otherwise equal):   3B4WA First Source (s) 30.Apr.1948 : Electron Tube Registration List Base Miniatur-7-Pin-Base B7G, USA 1940 Was used by Transmittertube (Radio) Filament Vf 2.5 Volts / If 0.165 Ampere / Direct / Battery = Description Instantaneous heating beam power amplifier intended for use as oscillator or frequency multiplier in VHF battery-operated transmitting sets. Up to 100MHz full rating. Center-tapped filament allows operation at 1.25V, 330mA.   Text in other languages (may differ) Dimensions (WHD) incl. pins / tip x 54 x 19 mm / x 2.13 x 0.75 inch Tube prices 5 Tube prices (visible for members only) Information source Essential Characteristics, GE 1973    Universal Vade-Mecum, Electron Valves and Semiconductor Devices   Section 201, p. 393 3B4: Ausschnitt aus PRC-6-Service Karl-Heinz Entrich † 7.21 3B4: Manufacturer's Literature Emilio Ciardiello More ... Just Qvigstad 3B4: Ratheiser Röhrenhandbuch Heinz Höger More ... Usage in Models 1= 1949?? ; 1= 1949 ; 1= 1951? ; 1= 1951 ; 2= 1952 ; 2= 1953? ; 3= 1953 ; 1= 1956 ; 1= 1958 ; 2= 1962 ; 1= 1966?? Quantity of Models at Radiomuseum.org with this tube (valve, valves, valvola, valvole, válvula, lampe):16 Collection of Trev Levick (D) Oskar Elm (D) Otto Frosinn (D) Heinz Höger (D) Peter Pfeiffer (D) Sebastian Holterhaus (D) Karlheinz Fischer (D) Georges Werts (B) Siegfried Droese (D) Heinz Schmidt (D) Danko Tkalec (HR) Collection of a member from FIN Frank Cuffe (IRL)

3B4

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Hits: 886     Replies: 0 3B4 als Ersatz der RES164
Jacob Roschy 24.Jan.21	1 3B4 als Ersatz der RES164  Die 3B4 ist sehr gut als Ersatz der RES164 (B443S, L416D) geeignet, die u. A. im Volksempfänger VE301 zum Einsatz kam. Mehr dazu finden Sie hier. Noch mehr zum Ersatz der RES164 finden Sie hier. M. f. G. J. R.

 

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