This circuit was found in National Semiconductor documentation from the 90s. The circuit uses two sensors, one of which is a reference thermocouple for cold junction.
This circuit was found in old Maxim documentation. Check the availability of the IC if you are...
Found in documentation from the 1980s, this amplifier uses an integrated circuit from the time....
This circuit was found in the 1972 RCA Power Transistor Databook. Transistors can be replaced by...