This cassette player motor speed control was found in the January 1991 issue of Radio Electronics magazine. The circuit is for voltages from 9 to 12 V.
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...