Analysis, Modeling and Simulation of a Low Phase Noise Frequency Synthesizer for High Sensitivity FM Receiver

Provided by: International Journal of Emerging Technology and Advanced Engineering (IJETAE)
Topic: Mobility
Format: PDF
A frequency synthesizer is a system that generates different output frequencies from a given input reference frequency. The majority of frequency synthesizers utilize a classic PLL with a loop divider in the feedback path. This paper shows the design methodology of a low phase noise frequency synthesizer used for high sensitivity FM receivers. Stability and noise analysis for the frequency synthesizer are discussed in details with the effect of the critical parameters in each case. System modeling and simulation using Matlab was performed after determining the parameters of each block of the complete frequency synthesizer and simulation results are shown at the end of this work.

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