Found in a 90s Elektor, this circuit is based on a Maxim integrated circuit of the time. The circuit supplies 5 V at its output with a maximum current of 50 mA.
The power supply for this circuit found in a QST magazine is given in the previous circuit. The...
In the figure we have the simple way to obtain an integrator with a type 741 operational...
This SCR relaxation oscillator was found in an 80's Electronic Design. It flashes a small...