In the figure we have a stereo decoder from the 70's with pilot lamp for signal indication. The circuit employs a component of the time, which is uncommon today.
This circuit converts a resistance in the range between 1 k ohm and 1 MΩ to a signal in a...
We found this circuit in an old American documentation. The circuit is simple by making use of an...
We found this circuit for 330 MHz using PIC in the magazine Electronics Now of December 1994. The...