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Admin
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Everything posted by Admin
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,,,no, it's not really necessary...!!!
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,,, try the dimensions from the first post ... !!!
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,,,no,cst...!!!
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Wireless electronic devices may include a ground plane, a double ring antenna and non-cellular antennas integrated within the double ring antenna. The double ring antenna may comprise first and second metal rings around the perimeter of a ground plane to operate as MIMO cellular antennas. At least one non-cellular antenna, such as a MIMO Wi-Fi antenna, may be integrated between the first and second metals rings on one or more sides of the wireless electronic device
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,,, this ring antenna cannot be broadband...!!! ,,,look...
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,,, for which frequency do you want .... ??? !!!!
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23mm
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,,, yes, I think this it is the reality.... ,,,and here are the dimensions ...!!!
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,,, yah, with my resizing it looks like this... ,,,but it seems that it still needs to be resized by shrinking ... !!!
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,,, for testing this type of antenna, dimensions are required...!!! ,,,it can be the same.... ,,,, and the F-dipole looks like this ...
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1)- impedance=250-300 Ohm 2) - spacing between it and directors<<lambda/2 3)-no 4)-yes 5)-it must to be simulated
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,,,with pleasure buddy...!! ,,, but I think you should wait until I do a simulation with these dimensions ... some small changes may occur...!!!
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,,, for the 1.8 GHz band, other dimensions are needed...!!!
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Erwin,this antenna is not as they say, look...
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,,, after I rotate the SMA port, I will do that too ... !!!
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,,, and here is the situation with this log-per... I think there is still work to be done on this antenna ... !!!
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,,,miloudsatdz ,,, these are the optimal dimensions....
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,,,thanks,I"ll make a cst-simulation...!!!
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,,,this antenna works well in the 1800 MHz frequency...
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,,,interesting...!!! ,,, can you give the dimensions ... ??
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3/3 mm from the corner
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,,, this antenna is very similar to Olkhon MIMO antenna 2 x 13 dBi (1700-2700 MHz) , but I don't know why it doesn't have such a wide frequency band...!!!! ,,,,,,, anyway, if you want, I'll try to do a simulation for the 1800 MHz frequency...!!!
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,,, normal, as an antenna with 12 elements...!!!
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,,, with 12 elements, covers the frequency band 2.3-2.6GHz...!!! ,,, the dimensions are those in the sketch above with the mention that the number of directors multiplies...!!!
