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Total 6 documents matching your query.

1. TopBand: 1:16 Balun Xfmr (score: 1): Author: k6se@juno.com (Earl W Cunningham); Date: Fri, 04 Sep 1998 22:23:17 EDT; Can anyone provide info for winding a balun transformer for 1.8 to 7.5 mHz with a 1:16 impedance transformation ratio, i.e., to match 50-ohm coax to an 800-ohm load? I and any other contructors of th; /archives//html/Topband/1998-09/msg00024.html (7,547 bytes)
2. TopBand: 1:16 Balun Xfmr (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Thu, 10 Sep 1998 14:00:34 -0400; Hi Earl, I had to "test" a new analyzer prototype using a 16 bit A-D converter today, and one requirement is I like to use is some real world devices. As such, I wound some transformers on the 73 mat; /archives//html/Topband/1998-09/msg00058.html (11,209 bytes)
3. TopBand: 1:16 Balun Xfmr (score: 1): Author: w7iuv@axtek.com (Larry Molitor); Date: Thu, 10 Sep 1998 22:46:46 +0100; Tom, my experiences with RX antennas over the last few days supports the isolation theory. My new Pennant was showing reasonable directivity on in-band signals, but seemed to be overly susceptible to; /archives//html/Topband/1998-09/msg00059.html (8,968 bytes)
4. TopBand: 1:16 Balun Xfmr (score: 1): Author: w8ji.tom@MCIONE.com (w8ji.tom); Date: Fri, 11 Sep 1998 14:10:55 -0400; problem. All antennas that are non-symmetrical or non-symmetrically installed with respect to the environment around them, and less than perfectly grounded at the feedpoint, have this problem to a g; /archives//html/Topband/1998-09/msg00063.html (11,461 bytes)
5. TopBand: 1:16 Balun Xfmr (score: 1): Author: w7iuv@axtek.com (Larry Molitor); Date: Fri, 11 Sep 1998 22:31:22 +0100; Yup, you got it Tom. The old standard bifilar/trifilar windings have little or no isolation between the primary and secondary. Even worse they are usually connected as an autotransformer. With the p; /archives//html/Topband/1998-09/msg00066.html (8,815 bytes)
6. TopBand: 1:16 Balun Xfmr (score: 1): Author: w7iuv@axtek.com (Larry Molitor); Date: Fri, 11 Sep 1998 22:50:48 +0100; Tom, I agree with your statements, but I'm not all that comfortable with the theory behind the observations yet. Rather than clutter up the reflector with theory at this time, lets just all agree tha; /archives//html/Topband/1998-09/msg00067.html (8,478 bytes)

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