Low RFI Solar Charge Controller for hams
If you are an amateur radio operator and have a solar charging system on your RV, you may be experiencing RFI ( radio frequency interference ) to your ham radio receiver from your solar charge contr...
Forum Discussion
SCVJeff wrote:Ed_Gee wrote:OK.. I've seen it on an analyzer but didn't look below 100MHz, there was too much going on in the upper bands. Ferrite and a few caps are wonderful things to medicate this.SCVJeff wrote:
Curious where were you hearing the RFI at?
Everywhere, from 80M on up .... and clear through VHF. Many ferrite filter beads on the input and output lines of the old controller did nothing to help.... the controller box itself was radiating.
In the case of the 20A Renogy MPPT charge controller we had, installation of a large number of ferrites on both input and output leads did nothing to attenuate the noise.... to the best of our knowledge it was radiating directly from the board.
