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Admin
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Everything posted by Admin
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What is the working frequency of the base station (BS) that you want to work ... ???
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", okay, but I do not understand what you mean with this YouTube ... ???
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,,,for 2100MHz... ,,,this it"s the antenna... ,,,,IMPORTANT...!!! ,,,at this antenna the power pin of the vibrator has a diameter of 1.737mm and must be made practical...!!!!
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,,, no, this is from your pdf file...!!!
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I tried to do an optimized simulation of this type of antenna, in a half part...
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Panel antenna AX-1817P designed for use in set c 4G/2G modems (routers), repeaters and phones GSM1800. Antenna type – common-mode lattice. Recommended for use at the boundaries of the service area, with a weak and unstable level 4G/2G signal, and in the case of a long connecting cable between the modem and the installation point of the antenna. Electrical characteristics Operating frequency range, MHz 1700-1900 Gain, dBi 16÷17 The width of the days in H-plane, degrees 32÷40 Days width in E-plane, degrees 16÷19 The sidelobe level, dB, not more -13 The ratio of forward/reverse, dB not less than 20 Input impedance, Ohm 50 SWR in the frequency range, not more 1,5 Permissible power watts 10 Polarization vertical/horizontal Mechanical characteristics Weight with mount, g 1800 Overall dimensions without mounting, m 0,45х0,24х0,05 Connector N-female Antenna material steel, galvanized steel Protective coating powder polymeric paint Material of protective box Frost polycarbonate with UV-protection ,,,inside...
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I can't open this file...!!! But the simulation, is clearly, not correct...
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Andrew, please show me, where you found this...???
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,,, another variant(MiMo) ...
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,,, and a few more pictures with details about the impedance adjustment lines of antenna...
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,,, and a variant proposed by the user "com666"...
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,,, maybe the * dxf file can help,,, fr4 biquad.dxf pcb biquad.dxf
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,,,okay Nikram77,,, if you manage to order PCBs, you can send to me some pieces...??? ,,,,this is *gbr file for pcb FR4... dielectric .gbr
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,,,nikram77,, you see, that suits you ... ??? simple biquad.gbr
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Test comparison of antennas for the Internet from 'Anteks' & 'Gellan'....
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Yes, it seems that I had a mistake in the design, now it works,,, ,,here it"s the modified CST*file....!!!! Pagoda 5.5.cst
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,,,, yes, you're right, that's what I ask myself, why ... ??? !!!
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Or maybe you want to say something like that.,,(dual frequency=814MHz-2442MHz) ,,,or something like this...
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This yagi antenna it pretty simple to execute, but it is worth making an adapting loop still coping lambda / 2,by a double plated pcb circuit
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My simulation above is compliant...!!! How long is the coaxial cable ?, this is important ... !!!
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,,,for this frequency band, I don't think it's possible...!!! ,,,maybe only a Vivaldi antenna....!!!
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I know this, I solved it ... !!! ,,,here it"s the CST*file..... Pagoda 5.5.cst
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,,, a first test with wire mesh, with 10mm mesh( without reflector)... ,,,with reflector...
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I don't know, but the results of this Pagoda antenna are not eloquent or maybe I'm wrong somewhere,,,,
