Found in the CQ radio amateur magazine, this circuit generates a standard 100 kHz signal. The circuit is from 1965 and can be made with modern equivalent transistors.
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...