Avoiding Unwanted Signals (164)

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Chapter Outline

Chapter 16 - Avoiding Unwanted Signals (Instrumentation for Electrical 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
  • Ground Loops
  • Eliminating Multiple Grounds
  • A Stable System Ground
  • Incorrect Grounding!
  • Correct Grounding!
  • Using the Amplifier Guard Shield
  • Common Mode Rejection
  • Good Wiring Practice Must be Used