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filter ringing
Greg
Member ✭✭
In doing a side by side comparison with my K3 I notice the narrow filters on the 6700 (50 Hz) have a hollow ringy sound to them. At 200 Hz they sound pretty close. 73 Greg
0
Answers
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Turn the AGC-T down. I tried the 50 Hz filter with the AGC-T set for best SNR and the filters sounded perfect. Sounded like a code practice oscillator. If you have the AGC-T too high, you are filling the filter with noise.1
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Doesn't that inhibit the ability to work weak signals? 73 Greg0
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My experience has been this process reduces the noise to make the signal more copyable1
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I think something has changed in the DSP. The NR seemed more effective in ver 0.16. Also the slider setting have no effect here. Greg0
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Same here the slider has no effect. Jeff N3VE0
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Just the opposite. It will actually improve signal to noise. You want to set the AGC-T so that you hear the noise but the filter does not ring if you are doing weak signal work. A signal at MDS will be equal to the noise and you will be able to hear it much better than you would with the AGC-T set too high.0
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