Measurement of continuous-time ΣΔ modulators: Implications of using spectrum analyzer

机译：连续时间ΣΔ调制器的测量：使用频谱分析仪的含义

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In this paper, The difference between getting the output spectrum directly using spectrum analyzer and obtaining the spectrum digitally in measuring clock jitter effect on continuous-time ΣΔ modulator is analyzed. It is shown that clock jitter can be seen as input-referred or output-referred, depending on the nature of the measurement tool. Quantization noise and jitter noise are analyzed and compared graphically using a simple approach. The presented analysis is verified with system-level simulation of a 4th order bandpass continuous-time ΣΔ modulator.

机译：本文分析了使用频谱分析仪直接获取输出频谱与以数字方式获取频谱在测量连续时间ΣΔ调制器上的时钟抖动影响之间的区别。结果表明，根据测量工具的性质，可以将时钟抖动视为输入参考或输出参考。使用一种简单的方法对量化噪声和抖动噪声进行分析和图形比较。通过对4阶带通连续时间∑Δ调制器的系统级仿真，对所提出的分析进行了验证。

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《2010 International Conference on Microelectronics》|2010年|p.9-12|共4页
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Measurement of continuous-time ΣΔ modulators: Implications of using spectrum analyzer

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