Found in an American publication from 1968, this circuit can be made based on a TIP42 that must be mounted on a heat sink. The transformer is 25 V with a current of 3 to 4 A.
Although it is a common configuration today, this circuit was taken from an old publication. The...
Simple timers can be designed using inverters or any other gate that can be connected as inverter. Figure...
This circuit generates an ultrasound whose frequency is set in P1. Reproduction is done on a...