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Design of Serial Digital Phase-locked Frequency Synthesizer

LI Xi-mi

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Abstract

This paper introduces a kind of low phase noise frequency synthesizer which uses AT89S52 single chip processor to control digital phase-locked loop LMX2316,analyses the in-band phase noise and the relations between lock time and loop bandwidth of loop,discusses the design of the loop filter,finally obtains the results according with the analysis.

About this research paper

What this paper is about

This paper introduces a kind of low phase noise frequency synthesizer which uses AT89S52 single chip processor to control digital phase-locked loop LMX2316,analyses the in-band phase noise and the relations between lock time and loop bandwidth of loop,discusses the design of the loop filter,finally obtains the results according with the analysis.

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Available abstract

This paper introduces a kind of low phase noise frequency synthesizer which uses AT89S52 single chip processor to control digital phase-locked loop LMX2316,analyses the in-band phase noise and the relations between lock time and loop bandwidth of loop,discusses the design of the loop filter,finally obtains the results according with the analysis.

Key concepts: Phase-locked loop, Frequency synthesizer, Direct digital synthesizer, Phase noise, Computer science, Delay-locked loop, Bandwidth (computing), Electronic engineering

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