This astable multivibrator was obtained from a Mullard documentation from 1960. The components depend on the used transistor and on the frequency, as shown in the table next to the diagram.
With this circuit it is possible to monitor the charge and discharge of a battery. The circuit is...
This high pass filter was found in the February 1996 Electronics Now magazine. The circuit...
This automatic nickel-cadmium or NiCad battery charger was found in European documentation from...