30n) 5W tornistersender
e German WW2 radio surplus


Telefunken Grenzwellensender



5W.S/24b-104 (=Spez. 469Bs
front view
Valves: 2x RS241
Frequency coverage: 0,95-3,15MHz


b) Rear view




p1010459.jpg
Seen from above

Valve data for RS241 (P.H. Brans' Vade-Mecum 1958):
Triode. Filament: 3,8V 0,6A
Ua =400V, bias = -50V, Ia =70mA, S =2,5mA/V, =17,
Wa =15W, Wo =16W, Cag1 =9pF, Cin =6,5pF, Co =5pF, Fmax =15MHz.
Class C telegraphy, Ig =7mA, Win =0,8W


Links to some other transmitter pages:
10W.S.c, 20W.S.d, page 30g
80W.S.a, page 30m
15WSEa/15WSEb 31a
Torn.Fu.c, 25a



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Last update: 2004.11.20