We found this circuit in the 1989 Radio Electronics Experimenter. The circuit uses common components, and the thermistor is supposed to determine the value of the trim potentiometer.
June 2016 - It can be purchased from Mouser Electronics the TAS5720x the evaluation module from...
Found in an old American publication, this circuit is intended for audio experiments. The...
This circuit was found in a 1995 documentation and is very simple to assemble, as the components are...