Transformer T1 isolates the temperature sensor, IC2, from the equipment under test. The period of IC1's digital output varies as a function of temperature. The circuit's output period varies at a rate of 10 µsec/K
Figure 1. Transformer T1 isolates the temperature sensor, IC2, from the equipment under test. The period of IC1's digital output varies as a function of temperature. The circuit's output period varies at a rate of 10 µsec/K