How To (Cheaply) Measure Conductive EMI on 110V or 120V AC

Spectrum Analyzer

This spectrum analyzer is inexpensive, and covers the range from 9KHz to 1.5GHz. There are other models with different ranges.

WHERE TO BUY

AURSINC Upgrated NanoVNA-H4 Vector Network Analyzer, Lastest V4.4 9KHz-1.5GHz HF VHF UHF 4" Touch Screen VNA Antenna Analyzer Ham Radio, Measuring S Parameters, SWR, Phase, Delay, Smith Chart

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