The capacitor used in this circuit can have values between 5 and 30 uF. The circuit is of old documentation for radio amateurs. Observe the special source used in the supply.
This circuit was found in documentation from the 80s. The components are from the time, but the...
We can make an oscillating relay producing a rectangular signal taking advantage of the inductance of...
The circuit shown in the figure is a voltage follower, that is, an amplifier with unit gain. The...