but he needed a way to pick up the fields and feed them into one of the scope’s probes. He ended up building this EFM probe dongle to accomplish the task. He admits that this isn’t much more ...

An optional BNC adapter (left) takes conventional two scope probes, and increases the oscilloscopes 9MHz bandwidth to over 30MHz. Two other BNCs are provided for the waveform generator’s outputs. The ...

If you want to measure AC or DC current with an oscilloscope, a current clamp is ... but he did. This probe design is little more than a 3D printed case, an old power supply toroid, and a ...