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Passive UHF RFID Tags by ADS 2009
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Hi everyone,
I am new to the field of UHF Passive RFID tag antanna's.
I am using ADS tool to reproduce the tag antenna of a research paper.
I have made the structure and set all the parameters like substrate material, conductor thickness, radiation box, solution frequency 866 MHz and the chip impedance 9.8-j73.
I am getting very bad results, S11 is very bad,
i ' m not sure about port configuration you can see that in picture joint!
can anyone suggest me where m i doing the mistake?
T1x
I am new to the field of UHF Passive RFID tag antanna's.
I am using ADS tool to reproduce the tag antenna of a research paper.
I have made the structure and set all the parameters like substrate material, conductor thickness, radiation box, solution frequency 866 MHz and the chip impedance 9.8-j73.
I am getting very bad results, S11 is very bad,
i ' m not sure about port configuration you can see that in picture joint!
can anyone suggest me where m i doing the mistake?
T1x
If you check the simulation result, what is the antenna impedance Z11?
If needed, use ADS data display equation Z=stoz(S) to calculate it.
thank you for your reply, How to find Z11?
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