ET's IMDTabler - Intermodulation Distortion Table Generator

Links:  IMDTools, FreqSetGen.  Sample frequency sets:
IMD 5: 5685 5760 5800 5860 5905, IMD 6: 5645 5685 5760 5800 5860 5905
ET5A: 5665 5752 5800 5866 5905, ET5B: 5665 5752 5800 5865 5905
ET5C: 5665 5760 5800 5865 5905, ETBest6: 5645 5685 5760 5805 5905 5945
ET6minus1: 5645 5685 5760 5905 5945, ET 5: 5665 5725 5820 5860 5945
raceband: 5658 5695 5732 5769 5806 5843 5880 5917, Freq in YT video: 5780 5860 5945

Enter frequencies:

(Hover the mouse cursor over table cells for information)

5665 5760 5800 5865 5905
5665 5570 5530 5465 5425
5760 5855 5720 5655 5615
5800 5935 5840 5735 5695
5865 6065 5970 5930 5825
5905 6050 6010 5945

IMD rating (100=best): 32

5855 is 10MHz away from 5865
5655 is 10MHz away from 5665
5935 is 30MHz away from 5905
5840 is 25MHz away from 5865
5735 is 25MHz away from 5760
5695 is 30MHz away from 5665
5930 is 25MHz away from 5905
5825 is 25MHz away from 5800

IMD rating: A "perfect" table will be rated at 100; lower values are worse. For each (valid) cell in the table with a frequency-difference value less than 35, a value of (35-diff)^2 is added to a ratings total (the squaring is to make low-difference values detract more from the IMD rating). The ratings total is then divided by the number of selected frequencies and again by 5, and then subtracted from 100 to get the IMD rating.


                 1       2       3       4       5       6       7       8
Band F: 5740 5760 5780 5800 5820 5840 5860 5880 (IRC NexWave / Fatshark)
Band E: 5705 5685 5665 5645 5885 5905 5925 5945 (Boscam E / DJI)
Band B: 5733 5752 5771 5790 5809 5828 5847 5866 (Boscam B)
Band A: 5865 5845 5825 5805 5785 5765 5745 5725 (Boscam A / TBS / RC305)
Band R: 5658 5695 5732 5769 5806 5843 5880 5917 (Raceband)

IMDTabler Version 1.1


5.8GHz FPV "Visual" Frequency Chart

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