Okay guys and gals, it's done. After lots of e-mails asking about a good Wi-Fi antenna that is simple to build and still beats the cantennas and wok-tops: http:
Enjoy!
Phil
Okay guys and gals, it's done. After lots of e-mails asking about a good Wi-Fi antenna that is simple to build and still beats the cantennas and wok-tops: http:
Enjoy!
Phil
Nice but not enough info to actually build one. There's no detail on the driven element. Some general comments:
Note that for 14.5dBi gain, the commercial antenna is about 462 mm. Yours is 419 mm long. Close enough.
Good luck.
At wifi frequencies, the dimensions are within the range of those "Internet" PCB manufacturers. Is a PCB trace too thin to make an antenna?
Well, yeah. I think you mean the tolerances, not dimensions.
What PCB trace? Are you thinking of building a PCB driven element or balun? It can easily be done. For example, here's a 900MHz log periodic PCB antenna:
Note that the PCB material is polysulfone, not G10/FR4.
Much cheaper are those made by Ramsey for various bands:
These are G10/FR4.
The width of the trace acts exactly the same way as the diameter of a rod element in a traditional yagi antenna. The fatter the element, the greater the bandwidth. All a too narrow a trace does is narrow up the usable bandwidth.
Actually, I did mean dimensions. Most of the "internet" PCB fabs limit themselves to about 22 inches in length
Phil, Do you have a photo of the coax connection to the Yagi? Thanks buddy!
Pete
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