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  • Users: ali0001
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  1. ali0001

    how to measure UHF RFID antenna port impedance

    Hi everyone, How do I measure the complex port impedance of an UHF RFID port antenna? I have tried measuring differential port impedance using VNA with a probe, but the results do not seem to be correct. Thanks
  2. ali0001

    measuring UHF RFID chip impedance

    Hello everybody, Can any one suggest an easy way to measure the complex impedance of an UHF RFID chip. Thanks
  3. ali0001

    how to measure dielectric permittivity

    hi, i need to design an UHF RFID tag antenna on 0.45mm thick Maylar the substrate is 450 micron Polyester, dose any one know how can i measure its dielectric permittivity at UHF (869mhz). thanks

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