Total posts : 45366
“Don’t some Part 15 AM transmitters already include a gas discharge, transient protection device just upstream of their r-f output connector, and after their internal loading coil?”
Are you actually trying to contribute to this thread with that or….
“Just curious. then, as to why RFB suggests that an outboard device such as the “polyphaser” installed downstream of that connector is a great choice.”
….just trying to hijack another thread with useless counter points?
But to balance out your point that throws this whole thing off track, it was someone else who suggested the polyphaser. I merely agreed with their suggestion to the point that it is a good device to use…for some of those transmitters which do not have a gas discharge transient protection device, and there are plenty of such devices which do not have that.
“However I believe that at least two of the three most-popular AM broadcast band transmitters now FCC-certified for unlicensed use include that internal gas-discharge device for lightning protection.”
Does that mean every single unit out there because of two out of three popular ones?
“So that is most of them, unless other knowledge is presented.”
How so? How is two out of three units sporting discharge protection mean that it is “most”? Do you have other knowledge the rest of us is unaware of that supports that statement..say a record of who uses what, where and what is inside their units?
I think someone needs to discover there is a much wider real world and the abundance of choice that exists.
Tip…Google is your friend. It can be anyone’s friend irregardless.