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Admin
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Everything posted by Admin
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,,, for the car it is more difficult to make an UWB omnidirectional antenna, so you have to buy one..!!!
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,,, well, what do you want, to replace the existing antenna with another one..???
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,,, show your Software-defined radio (SDR)...!!!
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,,, good job Harry, you can also give the file * cst..!!!???
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,,, so I think it is the most suitable, I will try to do a simulation...!!!
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,,, in the gap put a circular metal addition of 0.1mm...!!
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,,, by translation...!!!
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,,,it must to be without gap...!!!
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,,,see this...
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,,,hi buddy...!!! ,,, dimensions are incomplete, you can post a * CST file...!!! ,,,and that's what it is...?? "board_measure.s2p"
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,,,,yes, but the same can be done with my connector above...!!! ,,, okay, you can make a * cst file with this connector...???
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,,,adaptation line...
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,,, at this biquad antenna the impedance adaptation line(on PCB) is interesting>>>>!!!!
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,,, yes, I see that you are on the right track, I didn't understand what you meant before, why is not the suitable connector ... ?? ... !!!
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,,, wrong, look at the calculation once again .... !!!!
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,,, with this type of connector ... I adapted this Bester antenna.... And here is the connector file for those interested.... sma 5110CC.cst ,,,and BesterM Antenna... besterM.cst
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,,,try with cst2021...!!! ,,,or maybe I'd better give you the drawing ...!!!
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The ANTEX AX-2000 OFFSET 75 irradiator complete with an offset mirror antenna (not included) is designed to increase the range of 3G modems in the 1705-2175 MHz range . A mirror antenna with an irradiator significantly improves the quality of communication at the borders of 3G service areas. The active vibrator of the irradiator is securely hidden from precipitation and aggressive influences in a plastic case. Overall dimensions, 120x120x60mm To choose the right diameter of the "plate", refer to the following table: Antenna diameter-Resulting gain factor 0.55 m-19 dBi 0,6 m-20 dBi 0.9 m-23 dBi 1.2 m-26,5 dBi 1.5 m-28 dBi Thus, the larger the antenna diameter, the greater the gain. We recommend: use antennas of 0.55-0.9 meters, because they have a relatively small windage, use" plates " of domestic production. But you can also use any other offset antenna.
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,,,see the cst*file(T-Antenna) above...!!!
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I do not have the dimensions of the original antenna and the impedance can adapt to 75 Ohm.
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,,, this antenna could be quite good... T-Antenna.cst
