This circuit is from a 1978 magazine Radio & Electronics Constructor, but it can be assembled with 1N4004 diodes and TIC106 SCRs for motors up to 1A. The transformer has a secondary 12 V x 1 A.
This circuit from March 1984 Radio Electronics is intended to allow the use of an oscilloscope to measure...
This circuit was obtained in an English publication of 1975. It is a circuit that stabilizes an...
This control circuit up to 1 kW was found in a 1967 RCA documentation. The components are from...