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0 · Straight‐forward impedance measurement for balanced RFID tag
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In this paper, we propose a cost-effective wireless passive method for the measurement of tag antenna input impedance, which only requires an RFID reader and a low-complexity impedance tuning circuit.In this paper, we propose a cost-effective wireless passive method for the .This question is for testing whether you are a human visitor and to prevent .This question is for testing whether you are a human visitor and to prevent .
A method using 180° hybrid coupler and vector network analyser to measure the .
In this paper, we propose a cost-effective wireless passive method for the measurement of tag antenna input impedance, which only requires an RFID reader and a low-complexity impedance tuning circuit.
A method using 180° hybrid coupler and vector network analyser to measure the radio frequency identification tag antenna impedance is presented. The impedance of a prototype antenna is measured by different experimental methods and compared with simulation results.Accurate impedance measurement plays a crucial role in RFID antenna designs. However, most of the UHF RFID tag antennas use balanced structures [1], such as symmetrical dipole, and loop. These antennas are fed by differential input signals without a real ground. The antenna’s input impedance cannot be easily and accurately
Abstract: RFID tag antennas use balanced feeding structure, which causes great challenge on antenna impedance measurement. Methods for balanced antenna impedance measurement can be divided into three categories: Balun method, imaging theory and S-parameter method.Straight-forward impedance measurement for balanced RFID tag antenna. Hongbin Ge , Yuan Yao, Junsheng Yu, Xiaodong Chen and Daniel Valderas. A method using 180° hybrid coupler and vector network analyser to measure the radio frequency identification tag .A methodology to measure UHF RFID tag antenna impedance using network approach is presented. The balanced UHF RFID tag antenna is considered as a two-port network and the impedance of the antenna is characterized by network parameters.
Designing and testing RFID tags frequently need S-parameter and impedance measurements to ensure the product quality. The measurement method for 13.56 MHz RFID tags using Keysight ENA/ENA-L network analyzer has a proven track record in the fields of development, manufacturing, and maintenance. Abstract. Dipole antennas in UHF RFID tags are driven by differential signals; it is difficult to measure the antenna input impedance accurately using single-ended probes.This paper presents a method of antenna impedance measurement for RFID tag antenna based on a differential probe. The importance of accurate impedance measurement in optimal design of tag antenna, especially for the metal tags, is first addressed. This paper presents a method of antenna impedance measurement for RFID tag antenna based on a differential probe. The importance of accurate impedance measurement in optimal design of tag.
In this paper, we propose a cost-effective wireless passive method for the measurement of tag antenna input impedance, which only requires an RFID reader and a low-complexity impedance tuning circuit. A method using 180° hybrid coupler and vector network analyser to measure the radio frequency identification tag antenna impedance is presented. The impedance of a prototype antenna is measured by different experimental methods and compared with simulation results.
Accurate impedance measurement plays a crucial role in RFID antenna designs. However, most of the UHF RFID tag antennas use balanced structures [1], such as symmetrical dipole, and loop. These antennas are fed by differential input signals without a real ground. The antenna’s input impedance cannot be easily and accurately
Abstract: RFID tag antennas use balanced feeding structure, which causes great challenge on antenna impedance measurement. Methods for balanced antenna impedance measurement can be divided into three categories: Balun method, imaging theory and S-parameter method.
Straight-forward impedance measurement for balanced RFID tag antenna. Hongbin Ge , Yuan Yao, Junsheng Yu, Xiaodong Chen and Daniel Valderas. A method using 180° hybrid coupler and vector network analyser to measure the radio frequency identification tag .A methodology to measure UHF RFID tag antenna impedance using network approach is presented. The balanced UHF RFID tag antenna is considered as a two-port network and the impedance of the antenna is characterized by network parameters.
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Designing and testing RFID tags frequently need S-parameter and impedance measurements to ensure the product quality. The measurement method for 13.56 MHz RFID tags using Keysight ENA/ENA-L network analyzer has a proven track record in the fields of development, manufacturing, and maintenance. Abstract. Dipole antennas in UHF RFID tags are driven by differential signals; it is difficult to measure the antenna input impedance accurately using single-ended probes.
This paper presents a method of antenna impedance measurement for RFID tag antenna based on a differential probe. The importance of accurate impedance measurement in optimal design of tag antenna, especially for the metal tags, is first addressed.
Straight‐forward impedance measurement for balanced RFID tag
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RFID（Radio Frequency Identification）卡的读取过程，可以分为以下几个步骤：. 1. 读写器发射电磁波：读写器会向周围发送出一定频率和功率的无线电磁波信号。. 2. RFID 卡接收电磁波：当 RFID 卡在读写器的工作范围内时，它会感受到读写器发射的电磁波，并利用自身 .
rfid tag antenna impedance measurement|Straight‐forward impedance measurement for balanced RFID tag