Sometimes the old tricks are the best. [Kevin] learned an old trick about using a ‘scope to sniff RF noise and pays it forward by sharing it in a recent video. He uses an oscilloscope. But does he ...

Newman-Kees Principal Consulting Engineer Frank Hertel says a friend recently brought him an old LPB 30-Watt AM transmitter for repair. It’s a good low-power transmitter, but this one had been abused.

This file type includes high-resolution graphics and schematics when applicable. Literally hundreds of different oscilloscope probes are available (Fig. 1), so how do you choose the right one? There’s ...

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 ...

The Siekoh Giken OEFS (Optical Electric Field Sensor) optically-coupled E-field probe is a very unique instrument (Figure 1). The company has developed a technology whereby the amplitude and frequency ...

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 ...

This file type includes high-resolution graphics and schematics when applicable. Just about everyone who has ever operated an oscilloscope has used an oscilloscope probe at one time or another. Some ...