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Total 4 documents matching your query.

1. Topband: Cutting Delay Lines (score: 1): Author: Ed Stallman <ed.n5dg@gmail.com>; Date: Tue, 12 Jul 2016 22:04:45 -0500; I'm cutting a 40 degree and a 20 Degree Delay line using RG6 at 1.83MHz for a receive 8 circle array ! I know the velocity factor of the RG6 and have all the math worked out . After doing the calcula; /archives//html/Topband/2016-07/msg00013.html (7,048 bytes)
2. Re: Topband: Cutting Delay Lines (score: 1): Author: "John Kaufmann" <jkaufmann@alum.mit.edu>; Date: Wed, 13 Jul 2016 09:48:21 -0400; In principle, any *odd* multiple of 4.118 MHz (the frequency where the cable is 1/4 wavelengths long) will work when the far end of the cable is open-circuited. If you short-circuit the far end of th; /archives//html/Topband/2016-07/msg00014.html (8,069 bytes)
3. Re: Topband: Cutting Delay Lines (score: 1): Author: Wes Stewart <wes_n7ws@triconet.org>; Date: Wed, 13 Jul 2016 07:45:11 -0700; I have no idea how critical the phase shift is for your design, but I'll offer a couple of caveats. Unless you have characterized your cable, you don't know Vf or Zo. Furthermore, both of these vary; /archives//html/Topband/2016-07/msg00015.html (8,234 bytes)
4. Re: Topband: Cutting Delay Lines (score: 1): Author: Ed Stallman <ed.n5dg@gmail.com>; Date: Wed, 13 Jul 2016 10:16:26 -0500; Thanks Wes and thanks all who replied directly . I've received some very good information. I should be good to go Ed N5DG On 7/13/2016 9:45 AM, Wes Stewart wrote: I have no idea how critical the phas; /archives//html/Topband/2016-07/msg00016.html (9,187 bytes)

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