This experimental monostable CMOS circuit, activating an LED was found in a documentation from the 1980s. It is recommended to connect in series with the LED a limiting resistor of 470 ohms or more.
The circuit shown in the figure is indicated for alternative sources of energy, such as those...
This simple signal tracer was found in a Popular Electronics from the 90's. The transistor can be a...
We found this circuit in a March 1961 Radio Electronics magazine. This circuit reaches 100 MHz...