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Extremely accurate test gear is not so important in alignment EXCEPT for accurate frequency marks. Most of the alignment steps will be to peak or null the response at a certain frequency, or make two peaks of a double-peaked curve the same height, or make a particular marker 50% of the peak, for example. So accurate actual height of the curve is mostly irrelevant as long as you get the specified shape vs. frequency.
The touchiest part of the procedure often involves the signal injection cable/circuit, the ground point, length of leads, etc.
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08-09-2024, 01:07 PM
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