An Ultra-Low-Power Oscillator with Temperature and Process Compensation for UHF RFID Transponder

作者：Wang, Yao^*; Liu, Jiaxin; Xie, Liangbo; Wen, Guangjun

来源：Radioengineering, 2013, 22(2): 505-510.

• Ultra-low-power
• oscillator
• temperature
• process
• compensation
• RFID

This paper presents a 1.28 MHz ultra-low-power oscillator with temperature and process compensation. It is very suitable for clock generation circuits used in ultra-high-frequency (UHF) radio-frequency identification (RFID) transponders. Detailed analysis of the oscillator design, including process and temperature compensation techniques are discussed The circuit is designed using TSMC 0.18 mu m standard CMOS process and simulated with Spectre. Simulation results show that, without post-fabrication calibration or off-chip components, less than +/- 3% frequency variation is obtained from -40 to 85 degrees C in three different process corners. Monte Carlo simulations have also been performed, and demonstrate a 3 sigma deviation of about 6%. The power for the proposed circuitry is only 1.18 mu W at 27 degrees C.

• 出版日期2013-6
• 单位电子科技大学