Posted by dapj20 on Feb 27, 2019 in High-Voltage-Designs, Temperature-Measurement
This is a continuation of the previous two circuits. This circuit controls the temperature in a miniature oven that holds a stable dual voltage reference.
Temperature Measurement and Control
In colder seasons or locations this will maintain the temperature at a higher level. A mini fan in the equipment ensures external heat does not reach the oven, fan keeps the larger chassis cool.