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 ...

For anyone designing DC-DC converters, AC-DC power supplies, or the system around it, understanding the power supply’s operation under both the best and worst conditions is important. The load of the ...

Oscilloscopes require probes to work, and probes are not all the same. There's a wide variety with versions designed for specific tasks and applications. This ...

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.