This digital thermometer circuit diagram uses a common 1N4148 diode as the temperature sensor. The temperature coefficient of the diode, -2 mV/°C is exploited for this application to create an ...

Features a 12-bit digital readout using sigma-delta A/D converter February 18, 2008 -- Bangalore, India and Gilroy, California -- Cosmic Circuits today introduced a silicon-proven temperature sensor ...