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Analytical Predictions of Phase Noise in ADPLLs

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Noise-Shaping All-Digital Phase-Locked Loops

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Abstract

In this chapter, we will derive analytical predictions of the phase noise in TDC-based and accumulator-based ADPLLs with \(l\)th-order noise shaping TDCs and DCO driven by a sigma-delta modulator.

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Notes

  1. 1.

    An array vin including the samples and the variable Ts have to be present in the Matlab workspace in order to use Listing 4.1.

  2. 2.

    The input and the quantization error in a quantizer are dependent. However, it is common [3, 4] to assume that they are independent in order to simplify the analysis.

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Correspondence to Francesco Brandonisio .

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Brandonisio, F., Kennedy, M.P. (2014). Analytical Predictions of Phase Noise in ADPLLs. In: Noise-Shaping All-Digital Phase-Locked Loops. Analog Circuits and Signal Processing. Springer, Cham. https://doi.org/10.1007/978-3-319-03659-5_4

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  • DOI: https://doi.org/10.1007/978-3-319-03659-5_4

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  • Publisher Name: Springer, Cham

  • Print ISBN: 978-3-319-03658-8

  • Online ISBN: 978-3-319-03659-5

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