On 7/23/2022 11:09 AM, Al Kozakiewicz wrote:
The only caveat with N connectors is if you are running power into a load that
is not mostly resistive. If you have a non-resonant or partially resonant
antenna like an 80M dipole that you are using a tuner to get a match over the
entire 500kHz of the band, you can have voltages along the feedline that exceed
the ratings for N. UHF connectors fare somewhat better in this situation.
Those who consider N-connectors superior solely because they are
controlled impedance fail to understand the fundamentals of transmission
lines. Below UHF, the small impedance bump from PL259s and a barrel
doesn't matter in real systems.
Maybe ten years ago, I built more than 1,000 ft of cables in 100 ft
lengths for a DX trip using Amphenol 83-1SP connectors. When I spliced
them together with Amphenol barrels and measured the loss using HP
generator and spectrum analyzer, it was less than the spec for the cable
to at least 100 MHz.
73, Jim K9YC
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