A 0.4-1.4V 24MHz fully integrated 33µW, 104ppm/V supply-independent oscillator for RFIDs

V. D. Smedt, W. Dehaene, G. Gielen
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引用次数: 18

Abstract

In RFID-tags with pulse-based UWB communication, accurate supply-independent low-power oscillators are required. The 24 MHz oscillator presented was realized in a 130 nm CMOS technology. It has an ultra-low supply voltage dependency of 104 ppm/V over a voltage range of 1.4 V to 0.4 V. This was achieved by the use of two nested ultra-low-power voltage regulators and a novel circuit technique based on the attraction of two oscillator frequencies. The mean power consumption is 33 µW over the 1 V voltage span. No external biasing and no trimming or calibration was used.
一个0.4-1.4V 24MHz完全集成33µW, 104ppm/V电源无关的rfid振荡器
在基于脉冲的超宽带通信的rfid标签中,需要精确的与电源无关的低功耗振荡器。提出的24 MHz振荡器是在130 nm CMOS技术上实现的。在1.4 V至0.4 V的电压范围内,它具有104 ppm/V的超低电源电压依赖性。这是通过使用两个嵌套的超低功率电压调节器和一种基于两个振荡器频率吸引的新型电路技术实现的。在1v电压范围内,平均功耗为33µW。没有外部偏置,没有修剪或校准使用。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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