Summary

Rick Lyons showcases an Analog Devices interactive simulator that graphically demonstrates aliasing under lowpass and bandpass periodic sampling. Readers will learn how spectra fold with different sampling schemes and how to apply bandpass/lowpass sampling rules to practical ADC and RF scenarios.

Key Takeaways

• Understand the difference between lowpass and bandpass (bandpass/undersampling) sampling and when each applies
• Visualize spectral folding and aliasing effects using an interactive simulator to link theory with intuition
• Apply bandpass-sampling rules to determine allowable input frequency ranges for a given sampling rate
• Design basic anti-aliasing and preselection filter requirements for lowpass and bandpass sampling configurations

Who Should Read This

Students and early-career DSP, RF, or ADC designers who want an interactive, intuitive introduction to aliasing, sampling theorems, and practical sampling choices.

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