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 is found in a 2005 Linear Technology application manual. The circuit monitors the High...
This circuit is from a 1992 Electronics Handbook. The circuit generates a special tone effect for...
We found this circuit in an old American documentation. The circuit can be applied to modern...