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Margining oscillator as SSCG

Posted: 05 Jan 2009     Print Version  Bookmark and Share

Keywords:margining oscillator  spread-spectrum clock generation  DS4M133 

This application note by Maxim describes how to use a margining oscillator for applications that require spread-spectrum clock generation (SSCG). The DS4M133 margining oscillator serves as the example of the technique.

Margining oscillators are used to verify system operation at operating frequency extremes. The Maxim DS4M-XO margining oscillators are controlled by a 3-state Margin Select input pin. SSCG is used to reduce EMI. SSCG oscillators generally integrate both the frequency control and provide a fixed amount and direction of spread. This application note discusses the use of a margining oscillator for both functions.

View the PDF document for more information.





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