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A Protected 0.35 μm CMOS Transmitter Circuit for 13.56 MHz RFID Reader SoC

  • Pan Feng
  • Jianming Lei
  • Kui Dai
  • Xuecheng Zou
Conference paper
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 143)

Abstract

An integrated transmitter for 13.56 MHz RFID Reader SoC is designed in 0.35 μm cmos technology. The circuit consists of a RF/analog part for modulation, protection and digital part for controlling the transmitter functionality. It has been realized to be compatible with the communication standards ISO 14443 A/B, 15693 and 18000-3. It operates at 13.56 MHz with a communication date rate from 212 kHz up to 848 kHz. In modulation mode of operation, a solution based on configurable antenna drivers is proposed to control both the output power and the modulation index which is in the range [0%-100%] including OOK. What’s more, a short protection circuit for the antenna diver makes great improvement on its stability. The transmitter is implemented at 3.3V. The measurement and simulation results of the implemented chip indicate that the designed transmitter operates well in multi-standard mode.

Keywords

RFID transmitter Modulator Compatible Configurable Protected 

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References

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Copyright information

© Springer-Verlag GmbH Berlin Heidelberg 2012

Authors and Affiliations

  • Pan Feng
    • 1
  • Jianming Lei
    • 1
  • Kui Dai
    • 1
  • Xuecheng Zou
    • 1
  1. 1.Research Center for VLSI and Systems, Department of Electronic Science and TechnologyHuazhong University of Science and TechnologyWuhanChina

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