This circuit was found in an Electronic Design from the 80's. It shows how to use a MOSFET driver with two complementary transistors in an adaptation for a common direct control.
This circuit uses a Hall device from that time as a sensor. The circuit is from an English...
Found in Radio Electronics from the 90s, this siren finds many variations on this site. The...
This audio generator that produces both rectangular and sinusoidal signals was found in a...