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I did a similar project for a WiFi antenna (2.44Ghz) made using 4Nec2 Antenna simulator. You can find the design here: https://pastebin.com/4SdsWV1D
Good luck
Hello guys,
I hope you can help me out with this. I was wondering whether it is profitable to charge batteries by capturing propagated EM waves using a (wide bandwidth) antenna. Since higher frequency means higher energy, I guess between 1 GHz and 5 GHz would be OK? What would you recommend...
It still gives a negative Zin(Real) => -80 Ohm.. Perhaps the return loss (s11(db)) should be a positive value instead of a negative one..?
edit: is it -20 or 20?
Alright and if I calculated the values of a and b, I can then paste these in the Eq. 06 and 07 in the link:
**broken link removed**
a = -12.616*cos(-1.139) = -12.614
b = -12.616*sin(-1.139) = 0,251
Z0 = 50
Zin(REAL) = 50 * ( (1-(-12.61)^2 - (0,251)^2) / ((1--12.61)^2 + (0,251)^2) =...
Hello everyone,
I've got a return loss value of -12.616 dB and a phase of -1.1339. And I need to calculate the real and imaginary part of the impedance. How do I do this?
Thanks in advance!
No I didn't refer to the cited text. But yeah, you could say that testing in the environment you are going to use the antenna is the best testing environment.
Cellphones work around the 800MHz frequency, don't they? You'd have much interference and you can't take away the multipath effects (it still reflects of the concrete floor or w/e).
Best setup would be something like this:
Although I have no idea what material was used.
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