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Design of a RF Front-End for 2.45GHz Band using Sub-harmonic Active Mixer  

Lim, Tae-Seo (중앙대 공대 전자전기공학부)
Ko, Jae-Hyeong (중앙대 공대 전자전기공학부)
Jung, Hyo-Bin (중앙대 공대 전자전기공학부)
Kim, Hyeong-Seok (중앙대 공대 전자전기공학부)
Publication Information
The Transactions of The Korean Institute of Electrical Engineers / v.57, no.7, 2008 , pp. 1235-1240 More about this Journal
Abstract
In this paper, we presented an active RFID system in 2.45GHz range including LNA, Mixer and gain block. And in this work, a link budget model for RFID applications are proposed. We describe the detailed design and implementation of our system. Our components in RFID system has features such as low Noise Figure, reliable energy budget, and standard compliance with ISO 18000-4. Our receiver is effective for development and evaluation of prototype applications because of the flexibility of the design hardware. So, our platform will be suitable for versatile item management applications.
Keywords
RFID; 2-stage LNA; Sub harmonic mixer; Link Budget; Direct Conversion;
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