Oscilloscopes are increasingly used to analyze pulsed signals such as radar signals for aerospace and defense, as well as automotive applications. The oscilloscopes’ wide analysis bandwidth and manifold trigger capabilities make them a good fit for the increasing demand for higher bandwidths and accurate signal detection in these applications.

State-of-the-art automotive radar modules use frequency modulated continuous wave (FMCW) signals or chirp sequences. To analyze these signals, entire chirp sequences need to be captured before the individual chirps can be analyzed. This paper walks you through an example of how to take full advantage of oscilloscope trigger capabilities for precise triggering on the start of the chirp sequence of a real-world automotive radar signal.