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.
The critical component of this project found in a 1993 publication is the LM12 integrated circuit....
We found this circuit in an old publication dealing with operational amplifiers. The circuit uses...
Within a range of values, this circuit converts input voltages into corresponding currents. The...