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Re: Sweeping 750 S/A ll / GM

SA II is generally mis matched with any node SA or otherwise. Jury has been out for years on the cause whether it is an impedence mismatch or what I am not sure. I found this problem especially with ADC nodes. We have over the years conquered our problem with signature by referencing at the first active down stream from the node. some folks will let you do this some will not. the 10 db in line attenuator on your lead will help if you are not allowed to reference at the first amp. I have gained permission from several mso's, including Time Warner, to do so by snapping two pictures, one from node reference and one from first active reference, and showing them to the company I was working for at the time. They say a picture is worth a thousand words. good luck
This is CABL.com posting #133638. Tiny Link: cabl.co/mIVC
Posted in reply to: Sweeping 750 S/A ll / GM by 19 MHz
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