RTL-SDR v3 distorted AM reception

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opa
Posts: 2
Joined: Tue Mar 30, 2021 3:15 am

RTL-SDR v3 distorted AM reception

Post by opa » Thu Apr 01, 2021 4:24 am

Using RTL-SDR v3 with SDR-Sharp I noticed distorted AM reception on Medium Wave broadcast band (500 - 1600kHz) that sounds like an SSB station when SDR# is in 'Center Tuning' >|< mode.
When I switch to SSB mode to demodulate the signal using LSB or USB the audio sounds good. :!:
I noticed that the problem disappears when I switch SDR# to 'Free Tuning' <> mode.
It looks to me that this might be a software glitch :ugeek:
Has anyone seen that effect :?:

tim_rtd
Posts: 178
Joined: Fri Jun 30, 2017 11:34 am

Re: RTL-SDR v3 distorted AM reception

Post by tim_rtd » Thu Apr 01, 2021 11:24 pm

ok, I'm not setup to do the experiment, but how about.....
You need to click the i/q correction button. You may have the I/Q spike right under the AM carrier.
Or ... you've installed a lot of plugins and there is one with audio processing is enabled already...

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