EMC and RF Immunity

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i have had interesting experience of having severe noise issues on small micro controller.
in end mains hum , speed drive (located close by) causing hiccups.

anyway started wondering if there reasonable affordable way of doing testing emc , rf issues.

most of have found on net @ wrong end of cost scale, found hand test tool @ www.empulse.co.uk

anyone got real life experience in field want share , suggestion testing

any sort of spectrum analyser can used, know these not cheap can make low cost ones radio modules. think there 1 in exhibition section recently.


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