DHTRob - Books about electron tubes and their applications Multiple section tubes (like the 3E29 or 8D21) are assned a letter corresponding to ONE set of electrodes. Basic theory and application of electron tubes Dep. of Air Force / Navy 1952. RC13 1962 - 26Mb; RCA Receiving tubes manual RC14 1940 - 21Mb.
Electron Tube Data sheets - RCA Documents The currents drawn by parallel-connected types, and the voltages across series-connected types, vary widely according to the tube's heating power requirements. In half-indirectly heated tubes the cathode and one side of the filament share the same pin. Frank's Electron tube Pages. 2002-04-07, The Cunningham Radio Tubes Manual - C10 - 1933. Thanks to. 2007-08-16, Vacuum Tube Desn - RCA - 1940.
RCA Transmitting Tubes - American Radio History Otherwise identical tubes were manufactured in several variants with different heater characteristics (but usually the same power, e.g. The last 2 dits were sequentially assned, beginning with 21 to avoid possible confusion with receiving tubes or CRT phosphor desnations. RCA Tube and Equipment Manual released in. November, 1921. A radio vacuum tube, whether desned for receiving or transmitting service, consists of a.