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Re: Using TinySA to verify 75 ohm RG6 cable losses? #tinysa


 

Something with a TDR (Time Domain Reflectometer) function would be ideal, not sure if the nanovna has that function, good luck anyway.

John
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On Mon, Dec 14, 2020 at 5:16 PM Tony Dudieron via <tdudieron=[email protected]> wrote:
Thanks John for replying back.? Many of these runs were already installed within the walls when I bought the house, so I don't know the exact lengths of all the cables. There are a couple for which I cannot read the manufacturer's label on the cable, although I know it is RG6.? But I do have samples for which I do know the exact length, so perhaps using a VNA and Zplots will be the way to go.
So it is not just a "can it be done this way" exercise but rather I was hoping to come up with a reasonable approach to validate that my calculated losses are close to reality, before I make any design changes to improve the system's performance.? Something better than a rough idea, I guess.
Best regards, Tony

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