Review on π High-performance Amplifier: Cable TV RF Broadband with 8dB Gain, Four Output, 5-1002Mhz - Includes Power Adapter by Reginald Hamilton
Causes RFI on audio and video accessories
Well it's getting stronger, but WALL WART is causing RFI. I first found that it was causing 6 second units of RFI on the 40m 7MHz HAM band. Second, I found in my workshop where the wall wart is. There is an FM radio on 90.1MHz FM which now has garbled reception and stops when the wall wart is turned off. RFI "RF Interference" I added 43 mixed ferrites to the coax power cable and it helped suppress the RFI on 40m but not on VHF radio. The other TV distribution amplifier it replaced didn't have this problem, it just died, another brand.
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