This circuit can use almost any operating system and has a high input impedance. The power supply must be symmetrical. The circuit was obtained in documentation from the 1980s.
This circuit with the 555, was obtained in a 90s American documentation. The signal must be...
In the figure we have a simple and efficient way to obtain rectangular signals from an astounding 555...
This is the traditional Hartley Oscillator configuration for high frequencies. For 1 MHz wind 80...