For measurements between 30 and 40º C this circuit was found in the documentation of 1968. The sensor is a difficult component to obtain today.
August 2017 - Mouser Electronics is offering a new range of Ohmite ceramic heat sinks. The new...
The figure shows how to increase the output current to about 50 mA of an operational amplifier. The...
G This neon lamp indicator was suggested by General Electric in 1970 documentation. Virtually any neon...