This circuit allows the detection of RF signals using the lowest range of direct currents of a common multimeter. Equivalent diodes such as 1N34 can be used. The circuit is assembled in a ballpoint tube.
Based on 74HC digital circuits, this circuit generates signals in three phases. The frequency...
The integrated circuit 747 used in this circuit is a double 741. The circuit must be powered by a...
In the figure we have a circuit in which a sensor is fired with a resistive sensor. The sensor can be an...