AN10006 Best Design and Layout Practices

Proper decoupling, bypassing, and power supply noise reduction is important in many applications to ensure optimal performance for oscillators. A common strategy is to place capacitors near high speed devices on a printed circuit board (PCB). These capacitors serve important functions:  Provide instantaneous current to the component  Reduce noise propagation through the system  Shunt the power supply noise to GND The following sections describe decoupling, bypassing, noise rejection, and power supply condition recommendations for SiTime’s single-ended and differential timing devices.


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