This circuit allows you to read resistors up to 20 M ohms, converting it into voltage. The circuit is from the 90s. The operational ones used admit modern equivalents.
The MOS field effect transistors of this circuit are not very common, as it is a project from the...
If interference occurs in several receivers, much more interesting than placing a filter on each...
This single-cell Li-Ion battery charger was found in a 2005 Linear Technology manual. The circuit...