This circuit, with a 12 V input, was found in a Popular Electronics from the 1990s. Information is given about the ferrite-wrapped transformer. The transistor must be mounted on a heatsink.
This circuit has its frequency controlled by a 1MHz crystal. The circuit can be powered by...
This circuit, found in a 2000 documentation, is used in simple artificial intelligence and robotic...
Found in National Semiconductor documentation from the 1990s, this circuit switches video signals to...