Found in a 1967 Electronics World, this circuit can use any modern equivalent FET. Observe the amplitude of the input and output signals.
The integrated circuit used in this application is like the 555. The components depend on the...
Originally suggested by Electronic Design in a 1965 documentation for use with oscilloscopes, this probe has...
This power supply has been suggested for powering a meter with Numitron-type valves, which are...