This indicator or logic probe was found in the April 1979 Radio Electronics magazine. The integrated circuit is the 555 and the FET can be any general-purpose type.
Found in American documentation, this amplifier stage has unit gain and a high input impedance. It...
This simple oscillator generates a 455 kHz signal. The circuit is from an 80's documentation and its...
It can be obtained from Mouser Electronics the new MAX14871 Maxim consisting of a full-wave...