mansr Posted January 6, 2018 Share Posted January 6, 2018 Impedance mismatches cause reflections regardless of cable length. The greater the mismatch, the stronger the reflection. Speedskater 1 Link to comment
mansr Posted January 6, 2018 Share Posted January 6, 2018 11 minutes ago, Beolab said: My question is if its better to go 1.5 meter or shorter with a matching pair 75 ohm pro bnc cabels. If all impedances (output, cable, input) match, the length doesn't make much difference until it gets much longer. There are obviously some losses in the cable, so shorter should be preferable. If you have a fast scope, you can easily measure the reflections. Speedskater 1 Link to comment
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