This circuit was found in a 90s Motorola documentation. The circuit uses two SCRs that must be chosen according to the controlled load. The time depends on CE.
This simple circuit can be used to power a simple communication system using ordinary telephones....
This circuit was obtained in a 1977 magazine, but it can still be easily assembled, as the...
January 2017 - Texas Instruments' new TLVx172 operational amplifiers with Rail-to-Rail outputs can now be...