Acquiring an Analog Signal: Bandwidth, Nyquist Sampling Theorem, and Aliasing

Updated Mar 30, 2023

概览

Learn about acquiring an analog signal, including topics such as bandwidth, amplitude error, rise time, sample rate, the Nyquist Sampling Theorem, aliasing, and resolution.

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Topics Covered

What is a Digitizer
Bandwidth: corner frequencies, calculating amplitude error, calculating rise time
Sample rate: Nyquist sampling theorem, aliasing
Resolution and precision

Next Steps

Learn about NI PXI Oscilloscopes for automated characterization, validation, and production test
Learn about VirtualBench, an all-in-one instrument for interactive benchtop design and validation
Configure your test system using our online PXI advisor