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Demo APF Audio Peaking Filter on Flex 6300
Steve N4LQ
Member ✭✭
3
Comments
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Great demonstration, thanks. I congratulate Flex yet again, and this time for finishing the reinvention of the National SelectOJect. Earlier the Ject notch was implemented, and now the Select peak function is up and running. At last the 6000 series has caught up with my first receiver, a National NC-125, vintage 1952. Plus ça change, plus c'est la même chose. ;-)0
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Steve,
Nice video. The signal in the video appears to be about S5 and 10 dbm above the noise. I've found for weaker signals that are closer to the noise level the APF could use more gain. Here is a link to the idea to add a control to provide a gain control.
https://community.flexradio.com/flexradio/topics/ssdr_v1_2_apf_could_use_more_gain_it_seems_diminish...
Regards, Al / NN4ZZ
al (at) nn4zz (dot) com
Mockup showing the suggested control to provide a GAIN control.
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The APF on my Flex 6400 works great! Is there any documentation anywhere that describes how it works?0
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