This non-inverting comparator was found in old American documentation. Formulas next to the diagram allow you to calculate the components for the desired performance.
Found in the December 1995 issue of Electronics Now, this circuit generates sinusoidal signals. The...
This circuit with transistors of the time was found in the magazine Radio Electroinics of June of...
This circuit was obtained in an old Elektor. It is a reference, since the integrated products of the...