Tips for Power Supply Noise Measurements with Oscilloscope
Application Notes
The electronics in today’s designs feature higher-speed switching, faster slew rates, more active pins per package, and smaller signal swings than ever before. As a result, designers are more concerned about power supply noise in new digital designs, in everything from cell phones to servers. Real-time oscilloscopes are commonly used to measure power supply noise. This application note illustrates techniques for analyzing power supply noise and discusses selection and evaluation of tools for power supply noise measurements.