Back Window
http://www.cal48.com/87/p10102431.jpg
Stupid Question :duh: Is there a whole drilled in the glass to hold that cell antenna mount? If so whats a back window cost? |
Nope....No hole. Just grab a good hold of it and rip it off. Both sides of course. It just transmits through the glass.
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No hole in the glass. Electrically, a glass mounted antenna works like a capacitor: two conductors separated by an insulator (the glass)
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Originally Posted by randman1
No hole in the glass. Electrically, a glass mounted antenna works like a capacitor: two conductors separated by an insulator (the glass)
Fiber Optics :?: Not quite an insulator lol |
Glass is an excellent electrical insualtor.
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Originally Posted by randman1
Glass is an excellent electrical insualtor.
So if it was an insulator how would current flow? |
That's the idea. It's not suposed to conduct.
Without getting too technical, because RF transmissions are a sine wave, the signal passes through the glass because of the capacitor-like properties of the antenna. http://www.ee.washington.edu/circuit.../activeant.gif This is a very basic and typical schematic of an antenna found through a Google search. C1 is a capacitor on the antenna input. This is essentially your window. |
Originally Posted by randman1
That's the idea. It's not suposed to conduct.
Without getting too technical, because RF transmissions are a sine wave, the signal passes through the glass because of the capacitor-like properties of the antenna. http://www.ee.washington.edu/circuit.../activeant.gif This is a very basic and typical schematic of an antenna found through a Google search. C1 is a capacitor on the antenna input. This is essentially your window. Alright. I will quit arguing. |
:werd: Electronics are fun.
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Originally Posted by randman1
:werd: Electronics are fun.
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