This circuit was obtained in a 1967’s EEE. Transistors and integrated circuits can be replaced by modern equivalents. The FET is for general use.
This circuit in a receiver that allows the capture of distant stations with short waves. The...
This circuit is from a Maxim manual and can be used to power shields from batteries. The circuit...
In this block we have a configuration of the most common ones in which some additional elements, which...