The HR-E 40-1 passive near-field probe from Langer EMV-Technik measures electrical RF fields up to 40 GHz. Designed to be connected to a spectrum analyzer, oscilloscope, or similar device, the probe ...

It’s a problem that has dogged electronic engineers since the first electrons were coaxed along a wire: that measuring instruments can themselves disrupt the operation of a circuit. Older multimeters ...

A team at the University of Otago created a non-contact gigahertz antenna that uses an enclosed vapor cell of excited rubidium atoms with laser beams for sensing their state. The underlying ...