We found this circuit in the January 1979 issue of Radio Electronics magazine. Components are still common today, with the 7106 display driver standing out.
This is a two-input audio switching circuit. The operational can be of any type and more entries can...
We found this amplifier for automotive use in the Philips integrated circuit manual from 1990. The...
Found in old English documentation this circuit can be made with a BF245 or equivalent. Coils are...