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On Sun, 08 Nov 2009 14:33:19 -0800, Jeff Liebermann
wrote: The point I was trying to make is that the fairly long and exposed leads at the connector, are perfectly acceptable for low frequencies (HF) but are NOT acceptable for microwave work at 2.4GHz. The exposed wires are inductors and/or radiators. My guess is there's a total of about 4mm of exposed conductor. With a wavelength of 12.5mm, that's 1/3 of a wavelength. Before hitting the balun (or whatever that's suppose to be), most of the RF will be radiated by the exposed section of the coax, not the antenna. Ok, let me try again, this time while not talking on the phone, eating lunch, and watching TV. One wavelength at 2.4Ghz is 12.5cm. Guessing from the photo, there's a total of about 15mm of exposed conductor. That's about 1/8th wavelenth, which will still radiate rather badly, but not as badly as I previously erroniously assumed. -- Jeff Liebermann 150 Felker St #D http://www.LearnByDestroying.com Santa Cruz CA 95060 http://802.11junk.com Skype: JeffLiebermann AE6KS 831-336-2558 |
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