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 20mA ...
Heating, ventilation, and air-conditioning (HVAC) systems use sensors to regulate the operation of electromechanical equipment. Running this equipment usually consumes energy at a rate that represents ...
The old saying “if it ain’t broke, don’t fix it” cautions against tampering with something that performs reliably and regularly proves its worth. Arguably, this advice applies to the circuit design ...
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