Recent content by John Davidson

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HI, I am really new to all this so forgive my lack of knowledge but we are trying to capacitively sense the occurrence of a short impulse (0.5ms 1.5V pulse) through a conductor. The key principle is that we are trying to pick up the pulse with a sensor that is not in any way part of the circuit...

We have a question we cannot understand… We are university students working on a pet project, we are trying to pick up an electrical current passing through a conductor via a capacitive sensor (i.e. attached to a charge amplifier with filters) that is not in direct contact with the circuit...