Found in a 90’s Electronic Engineering, this circuit detects the lack of phase in the supply of a three-phase load, powering a cut-off system.
This circuit was obtained from an 80's Radio Electronics. The circuit decodes “scrambled” or...
This circuit is used to test a triac and also to teach how it works. The load is an incandescent...
Found in a documentation from the 90's, this circuit uses only one integrated circuit. The...