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The technology of Radio Frequency Identification is becoming widely used in industry engineering. However, the UHF RFID tag can be easily affected by environmental noise factors, especially on the metal surface. The metal effect to Radio Frequency Identification (RFID) location system is described in this paper. Different methods are adopted to analyze the circumstances when RFID location system is...
Tunable coplanar interdigital capacitors (IDC) based on Barium-Strontium-Titanate (BST) thick-films are evaluated for their suitability for high power applications, such as tunable impedance matching networks of power amplifiers. The design process has been reviewed with respect to the nonlinearity of the varactors. Various devices have been fabricated and their performance has been verified by measurements...
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