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1. Re: Topband: pre-amp placement (score: 1): Author: ko7i <ko7i@comcast.net>; Date: Wed, 19 Jan 2022 10:09:43 -0800; I manage a EMC test lab in the Seattle area. Typically we place a LNA pre-amp at the DRG Horn we use for Radiated RF Emissions measurements above 1GHz. Below 1Ghz, we place a pre-amp at our measureme; /archives//html/Topband/2022-01/msg00122.html (7,385 bytes)
2. Re: Topband: pre-amp placement (score: 1): Author: Chris Maness <christopher.maness@gmail.com>; Date: Wed, 19 Jan 2022 10:30:27 -0800; Yes, after asking the question I tried the experiment and found no difference. My concern was common mode pick up before the pre-amp not so much insertion loss. If noise was going to be inserted in t; /archives//html/Topband/2022-01/msg00123.html (7,846 bytes)

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