This 130 V drive uses an integrated circuit not very easy to find, which is the LM143. The circuit is suggested by National Semiconductor in its 1994 Linear Applications Handbook.
This circuit is from a 1980 publication. The circuit has high gain with weak signals and lower gain...
This analog thermometer was obtained from an English documentation. The sensor is a common diode...
This low current converter was found in the January 1997 issue of Electronics Now magazine. It is...