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 is from the 1994 Linear Applications Handbook, published by National Semiconductor, which is...
This circuit with an industrial standard 4-20 mA interface uses a KPZ20G pressure sensor but can...
This receiver for the AM band with 6 transistors was manufactured in the 60's in Japan. The power...