Every electrical current generates a magnetic field, so a non-contact voltage tester can detect current in a conductor ...

While this can be done by direct connection with a multimeter, non-contact methods are available too. A great example is this simple wireless AC current detector from [NEW PEW]. The circuit is a ...

We’ve seen various types of non-contact voltage and current sensing over the years. We’ve even seen biological voltmeters lately.

The present IP is a VCC Detector (VDT) circuit. It detects the voltage level of its power supply AV33. The normal operation voltage levels of AVDDL and AVDDH are 1.62v~1.98v and 3.0v~3.9v respectively ...

It is able to detect manufacturing process deviation, perform voltage and die temperature measurement. PVT Detector consists of VT module as a calculation center for voltage and temperature ...