In this video we measure the self-resonance frequency of an 13.56 MHz RFID transponder using a contactless approach. A one-turn antenna is attached to the Bode 100 vector network analyzer and the RFID transponder card is brought into the electromagnetic field of the antenna. Due to the near-field inductive coupling, the resonance of the transponder can be “seen” from the transmitting antenna.
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Used Measurement Equipment:
Bode 100 — The Bode 100 is a vector network analyzer that serves as a frequency response analyzer, a gain phase meter and impedance meter as well as a sine wave generator. It can be controlled via the Bode Analyzer Suite, a graphical user interface. An OLE compatible automation interface allows easy integration into automated systems.
- Post Time: 08-24-16 - By: http://www.rfidang.com