Demystifying Mixed Signal Test Methods

CHAPTER 4

SIGNAL CAPTURE

Each problem that I solved became a rule which served afterwards to solve other problems.

—Rene Descartes, Discours de la Methode

4.1. Introduction

4.2. Digital Signal Capture Hardware

4.3. Analog Signal Capture Hardware

4.4. The Digitizing Process

4.5. Nyquist and Shannon—Theoretical Limits

4.6. Sampling Rate and the Frequency Domain

4.7. Capturing Periodic Sample Sets

4.8. Signal Averaging

4.9. Capturing Unique Data Points

Chapter Review Questions

4.1 Introduction

In the last chapter, we looked at the fundamental concepts for generating signal information that will be presented to the DUT input. In this chapter, you’ll learn how to use those same concepts and equations to capture the DUT signal output. A mixed ...