This 80's circuit uses an audio amplifier to obtain a symmetrical source from a single source. The maximum current is on the order of 1.3 A and the input voltage must not exceed 20 V.
May 2016 - It can be obtained from Mouser Electronics the new digital sensor HDC1080 precision...
This circuit was obtained in an old American manual. The circuit is valid for any operational. The...
This configuration was found in a 1976 documentation. Note the use of pin 4 input for reset. The...