Designing an analog circuit can be a frustrating experience, as noted by Nick Cornford in his Design Idea (DI), “ DIY RTD for a DMM.” With a fortnight’s struggle, I completed the design of 4 mA to ...

The circuit in Figure 1 generates acurrent source that is ratiometric tothe voltage reference. The ADC usesthe same voltage reference to provide aratiometric digital output. Over temperature,the ADC ...

Planar resistance temperature detector, RTD, can be manufactured with microelectronics processing techniques. However, the manufactured planar resistor requires an extra step for adjustment of the ...

This work presents the design, implementation, and experimental evaluation of a novel measurement circuit for four-wire resistive sensors, such as RTD thermal sensors. The proposed circuit ...