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Solutions Search - LTC6945 - Ultralow Noise and Spurious 0.35GHz to 6GHz Integer-N Synthesizer

Phase Noise of Integer-N and Fractional-N PLL Synthesizers

Kevin B. Scott - Senior Strategic Marketing Engineer
Michel Azarian - Product Marketing Engineer
Feb 10th 2015
Phase Noise of Integer-N and Fractional-N PLL Synthesizers Low phase noise is essential when generating high frequency, high linearity signal sources. Phase noise is a measure of the undesirable change or variation in phase of a signal. It is measured in the frequency domain and equates to jitter in the time domain. When using ...

Blog Post FracNWizard 

 

AN143 - A Simple Method to Accurately Predict PLL Reference Spur Levels Due to Leakage Current

Will Ezell - Design Engineering Section Lead
Michel Azarian - Product Marketing Engineer
Jan 3rd 2014
For More Information, Download the Complete Application Note "AN143- A Simple Method to Accurately Predict PLL Reference Spur Levels Due to Leakage Current" Presented is a simple model that can be used to accurately predict the level of reference spurs due to charge pump and/or op amp leakage current in a PLL system. Knowing ...

Blog Post PLLWizard 

 

Low Phase Noise Frequency Synthesizers for RF Applications

Doug LaPorte - Design Manager Sep 19th 2011
In modern RF communication systems, signal integrity is of prime importance. To meet the system requirements, amplifiers, mixers and modulators must have a low noise figure and low distortion products. Additionally, as system designers work to squeeze increasingly more data into the available bandwidth, low phase noise signal ...

Blog Post Video