I did once but I have no idea where it is. As I recall it was for powering a switch mode regulator device that would change its impedance lower at longer distances, so the loss equation was a quadratic equation with two points where it would go fruit. I had a hard time believing the equation so I had to simulate it in the lab and indeed it did go fruit at two different loop lengths.
From: Adam Moffett Sent: Monday, December 23, 2024 1:20 PM To: AnimalFarm Microwave Users Group Subject: [AFMUG] RFT-V 190V Line Power distance I'm looking at strand mounted OLT's. One of the powering options is RFT-V which is a nominal 190VDC over twisted pair. I have 0% familiarity with it. I found a white paper from Commscope saying that the max is 100W, and at 3000 meters your 100W becomes 60W effective power due to voltage drop. Is that a fair rule of thumb? Hey Chuck, didn't you have an excel calculator for this? -------------------------------------------------------------------------------- -- AF mailing list AF@af.afmug.com http://af.afmug.com/mailman/listinfo/af_af.afmug.com
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