This circuit from General Electric was found in a 1967 documentation. The SCR is of the time, as are the transistors, but equivalents can be used.
This circuit was found in a 1980s telecommunications publication. The circuit uses a diode bridge to...
Mounting an oscilloscope is the dream of many of our Internet users, although it comes up against...
This is the traditional version of an astable multivibrator that makes two LEDs flash alternately at a...