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Admin
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Everything posted by Admin
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The only improvement is the use of two antennas...!!!
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,,, this simulation is almost like the original ... !!!
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S- parameters, they are not so good...!!!!
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I think,only like this... ,,, here on the forum, I have such an antenna...!!!
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,, no, no new simulation is required, the second feed will be posted as in the image below...
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,,, which you want .. !!!
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,,,hi buddy...!! ,,,14,5 dBi,reflector sizes=1x240x240 mm,PCB=FR4#1,5 mm, h-4,5 mm ,,, but please, post a single image, not all are needed...!!!
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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...!!!
