Found in a 1967 RCA documentation, this AC power grid contactor can be fitted with modern equivalent components. The SCR and the diodes must be according to the load current.
This circuit converts BCD inputs to analog voltages. The operational amplifier must be powered...
This circuit was found in ancient American documentation. It makes use of the operational...
This window comparator or limit comparator has its actuation range determined by resistors R1 to...