Citation: |
Ang Wang, Lina Yu, Dehua Wu, Shibo Fu, Wanlin Gao, Wan’ang Xiao. A novel power-on-reset circuit for passive UHF RFID tag chip[J]. Journal of Semiconductors, 2018, 39(12): 125003. doi: 10.1088/1674-4926/39/12/125003
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A Wang, L N Yu, D H Wu, S B Fu, W L Gao, W Xiao, A novel power-on-reset circuit for passive UHF RFID tag chip[J]. J. Semicond., 2018, 39(12): 125003. doi: 10.1088/1674-4926/39/12/125003.
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A novel power-on-reset circuit for passive UHF RFID tag chip
DOI: 10.1088/1674-4926/39/12/125003
More Information
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Abstract
A novel power-on-reset (POR) circuit with simple architecture, small values of capacitances, ultra-lower power consumption, and self-adjustable delay time of reset pulse for passive UHF RFID tags is presented in this paper. A proposed delay element was adopted for the features of small capacitances and wide power supply rise time range. An inverter was used as a two-inputs logic device to simplify the architecture of the circuit. The technology used for design and simulation is SMIC 0.18 μm RF. Simulation results show that the circuit functions well under different process corners with different power supply rise time, and is able to generate a POR signal after the power supply is briefly powered off. The static power consumption is less than 30 pA. Moreover, the circuit operates properly along with other modules of analog front-end.-
Keywords:
- RFID,
- analog circuit,
- power-on-reset,
- ultra-lower power,
- delay element
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References
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