VHF splitter problems

[st599]

I have the Glomex splitter powered by the "Stereo" circuit which has my Stereo and a USB Hub, which powers a Raspberry Pi and WIFI Router and then the VHF is connected to the "VHF" Circuit.

With the with the "VHF" and the "Stereo" Circuits on the VHF has constant static that you cannot squelch out. if you turn off the "Stereo" Circuit (Glomex, USB Hub, Raspberry Pi, Stereo - all off) the VHF goes quiet. I plan to do some elimination experiments to see if the noise if coming from just the Glomex or from the other sources, but i do have a couple of Ferrite cores from another project I could try as well.

As the Pi , and presumably the WiFi, are 5v, presumably you've got a nice switching regulator in there converting 12v to 5v?

 

[SV-Apres]

As the Pi , and presumably the WiFi, are 5v, presumably you've got a nice switching regulator in there converting 12v to 5v?

The Pi and USB hub have 12v to 5v power supplies and the WiFi router gets power from the USB Hub. I have not dug into this issue anymore but will have to shortly.