This circuit was found in a 1969 US documentation. It provides a signal that can be externally programmed as suggested circuits. The circuit can be used as a shield.
This is the traditional Hartley Oscillator configuration for high frequencies. For 1 MHz wind 80...
We found this circuit in an old oscilloscope publication. With it, it is possible to observe the B...
This trick that uses diodes and that we have already explored in articles on our website was found...