Found in a 90s EDN, this circuit uses components from that time. The circuit supplies a current of 100 mA with a 5V voltage.
IDT ZSSC3230 Capacitive Sensor Signal Conditioner Available from Mouser Electronics stock, this IDT...
This passive circuit was found in a 1993 Electronics Hobbyst Handbook. The circuit has the...
This circuit that generates a special sound was found in a Popular Electronics from the 90s. The...