Found in National Semiconductor documentation from the 1990s, this circuit corrects the curvature of the response curve of an RTD temperature sensor. The components used are from that time.
This low-pass filter was found in an American publication from the 80's. The circuit uses an...
This continuity tester for low resistances was found in an English magazine from 1978. The circuit...
This low-pass filter with 741 op and symmetrical source was found in the August 1993 issue of...