Search found 3 matches

by pczapski
Mon Oct 23, 2017 1:21 pm
Forum: General
Topic: Buzz in AM mode
Replies: 4
Views: 326

Re: Buzz in AM mode

Dears, Thanks guys for a lot of suggestions. I have assumed that SDRPlay USB port has galvanic isolation, so it explains ground loop problems and the exact 50Hz buzz and harmonics. I thought that it could be some failure. I have checked SDRPlay with SDRUno and SDR#, same results, e.g. AM buzz on all...
by pczapski
Mon Oct 23, 2017 6:52 am
Forum: General
Topic: Buzz in AM mode
Replies: 4
Views: 326

Re: Buzz in AM mode

I did spectrum analysis for the first 5s (antenna_1)

2017-10-18_1905401.jpg
2017-10-18_1905401.jpg (86.92 KiB) Viewed 313 times


and for the 15-20s (antenna_2)
2017-10-18_1905402.jpg
2017-10-18_1905402.jpg (94.99 KiB) Viewed 313 times


If you look at antenna1 analysis it looks that this buzz is like 50Hz and its harmonics. Why?

Paul
by pczapski
Mon Oct 23, 2017 6:21 am
Forum: General
Topic: Buzz in AM mode
Replies: 4
Views: 326

Buzz in AM mode

Hi, I am a new user of SDRPlay RSP2. I am also a user of RTL donge V3. I have two different antenna configurations, for HF and higher bands: 1) Multiband GP (40-10m+6m), LW 19.5m, Inv-V 40m 2) VHF/UHF GP When I am using my RSP2 and 1 I have strange buzz in AM mode, regardless HF, VHF or UHF bands. I...

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