This circuit was obtained in the Philips integrated Circuits manual of 1990. The component used is uncommon today.
The filter shown in the figure can have its cutoff frequency adjusted between 2 kHz and...
This circuit, which uses a quadruple comparator, was found in old American documentation. The...
This shield for controlling the direction of rotation of DC motors up to 500 mA with BD135 / 6 and...