RFID tag antenna design with CST microwaves studio!!!

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mitch81

Joined: 17 Nov 2008
Posts: 24

14 Jul 2009 20:26 antenna design for rfid tags

hi,
For future work, first I want to replicate the simulation presented in document 1, but I can not find the same results. I put the port of excitation between the antenna and the tag, but the results are not the same. I think the problem lies in the position of the port. but how do I fix it? I also kept 50ohms impedance for the port.

1- document where the antenna is illustrate (Fig1. Design architecture of the antenna)
2- image of tag antenna and my designe with cst!

thank you in advance for your assistance

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mitch81

Joined: 17 Nov 2008
Posts: 24

14 Jul 2009 20:30 cst microwave studio rfid

sorry!!! I put the port of excitation between the antenna and the CHAP!!!!!

Added after 2 minutes:

CHIP!!!!!!! I must sleep, I'm really tired! sorry.