This circuit was obtained from the November 1989 issue of Radio Electronics magazine. The circuit is for motors up to about 1.5 A.
This 50 kHz oscillator makes use of a CTUJ, complementary unijunction transistor. The circuit is...
Operational amplifier such as the CA3140 or the TL series can be used in this circuit from a 1982...
This circuit, found in a 1985 documentation, causes two incandescent lamps to flash alternately. The...