Josh, You are quite correct. The usual CISPR standards limits for many SMPS designs are typically set to 50dBuV across the HF spectrum, that translates to roughly 5/9+17dB.
These standards are there to protect your old analog TV and commercial FM radio being messed up not your local Ham operator unfortunately. 73 Matthew VK5ZM On 20 November 2017 at 13:25, Josh <[email protected]> wrote: > Most, if not all of those certifications are for safety, not emissions. > Further, I'm not at all convinced that compliance with FCC/CISPR standards > ensures no RFI to a ham station. Especially if your interests are weak > signal, EME, etc. > > 73, > Josh W6XU > > Sent from my mobile device > > > Just because it has the side or back posted with all types of > certifications basically says "they met specs at one time". > > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:[email protected] > > This list hosted by: http://www.qsl.net > Please help support this email list: http://www.qsl.net/donate.html > Message delivered to [email protected] > ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
