3-tube receiver (T1602E)

Found in a 1949 Radio Electronics, this circuit employs vacuum tubes of the time. Power supply not provided.

AC Motor Reversing Circuit (CB15408E)
We found this configuration in the ON Semiconductor thyristor manual. The triacs depend on the...
Oscillating flyback converter (CB9616E)
This circuit was found in an old documentation. It converts DC voltages and its maximum current...
Window Comparator (CB15267E)
This circuit makes use of comparators and common operational amplifiers, having been found in...