Avoiding Unwanted Signals (163)

Chapter Outline

Chapter 8 - Avoiding Unwanted Signals (Instrumentation for Test and Measurement)

  • Unwanted Signals
  • Electrical Noise: High Signal Source Impedance
  • Low Signal Source Impedance
  • Source Shunting Effect
  • Parallel Conductors
  • Twisted Signal Conductors
  • Microvolt-Level Signal Cables
  • Basic Amplifier Types
    • Typical Low-level Chopper Amplifier
  • Grounding and Shielding
    • Ground Loops
    • Eliminating Multiple Grounds
    • A Stable System Ground
    • Incorrect Grounding
    • Correct Grounding
    • Using the Amplifier Guard Shield
  • Common Mode Rejection
    • System Common Mode Rejection
  • Good Wiring Practice

Video Outline

Avoiding Unwanted Signals