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3B4

Information - Help 
ID = 4295
       
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)
Tube prices 5 Tube prices (visible for members only)
Information source Essential Characteristics, GE 1973   
  usa3b4prc6sender_3.png
  3B4: Ausschnitt aus PRC-6-Service
Karl-Heinz Entrich
 
3b4_cbs.jpg
3B4: My tubes
Anonymous 413 Collector

 
3b4.png
3B4: Manufacturer's Literature
Emilio Ciardiello

 
3b4.png
3B4: Ratheiser Röhrenhandbuch
Heinz Höger


from Just Qvigstad

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


Forum contributions about this tube
3B4
Threads: 1 | Posts: 1
Hits: 208     Replies: 0
3B4 als Ersatz der RES164
Jacob Roschy
24.Jan.21
  1

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.

 
3B4
End of forum contributions about this tube

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