用于激光雷达时间-数字转换器的温度稳定CMOS环形振荡器

Proceedings of the 21st IEEE Instrumentation and Measurement Technology Conference (IEEE Cat. No.04CH37510) Pub Date : 2004-05-18 DOI:10.1109/IMTC.2004.1351562

I. Nissinen, J. Kostamovaara

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引用次数: 7

摘要

设计了一种用于激光雷达时数转换器的温度稳定CMOS环形振荡器。环形振荡器的基础是通过频率-电压转换器测量环形振荡器的频率，并将该电压锁定到稳定的参考电压。在-10/spl°C ~ 70/spl°C的温度范围内，环形振荡器在各个角点的温度稳定性均小于10 ppm//spl°C。这相当于0.1毫米//spl度/C在10米的距离。环形振荡器的频率约为653 MHz，分辨率为128 ps。

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A temperature stabilized CMOS ring oscillator for a time-to-digital converter of a laser radar

A temperature stabilized CMOS ring oscillator for a time-to-digital converter of a laser radar has been designed. The ring oscillator is based on measuring the frequency of the ring oscillator by a frequency-to-voltage converter and locking that voltage to a stable voltage reference. The simulated temperature stability of the ring oscillator was less than 10 ppm//spl deg/C at all different corner points in temperature range of -10/spl deg/C to 70/spl deg/C. This corresponds to 0.1 mm//spl deg/C in a distance of 10 m. The frequency of the ring oscillator was approximately 653 MHz, giving a resolution of 128 ps.

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Proceedings of the 21st IEEE Instrumentation and Measurement Technology Conference (IEEE Cat. No.04CH37510)

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