<abstract xmlns="http://www.w3.org/1999/xhtml"><p> The resolution in fractional-N synthesis results as a fractional part of the reference frequency. This category of synthesizers permits a greater f<sub>ref</sub> and a smaller N, a larger loop bandwidth, faster lock times and reduced output phase-noise. In ΔΣ fractional-N PLL’s the main problem is the specific quantization noise. To reduce them many techniques are used. The paper presents a Simulink model of the influence of the requantisation in the phase-noise cancellation process.</p></abstract>

The resolution in fractional-N synthesis results as a fractional part of the reference frequency. This category of synthesizers permits a greater fref and a smaller N, a larger loop bandwidth, faster lock times and reduced output phase-noise. In ΔΣ fractional-N PLL’s the main problem is the specific quantization noise. To reduce them many techniques are used. The paper presents a Simulink model of the influence of the requantisation in the phase-noise cancellation process.

Reducing the Phase-Noise In ΔΣ Fractional-N Synthezis – A Simulink Model

International conference KNOWLEDGE-BASED ORGANIZATION

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

{"article-title":"Reducing the Phase-Noise In ΔΣ Fractional-N Synthezis \u2013 A Simulink Model"}

The resolution in fractional-N synthesis results as a fractional part of the reference frequency. This category of synthesizers permits a greater fref and a...

Reducing the Phase-Noise In ΔΣ Fractional-N Synthezis – A Simulink Model

Published Online: Jul 22, 2017

Page range: 131 - 134

DOI: https://doi.org/10.1515/kbo-2017-0166

Keywords
frequency synthesis, ΔΣ modulator, phase-noise

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Reducing the Phase-Noise In ΔΣ Fractional-N Synthezis – A Simulink Model

Published Online: Jul 22, 2017

Page range: 131 - 134

DOI: https://doi.org/10.1515/kbo-2017-0166

Keywordsfrequency synthesis, ΔΣ modulator, phase-noise

© 2017

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License.

Keywords
frequency synthesis, ΔΣ modulator, phase-noise