Common Mode Rejection (161)

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Chapter Outline

Chapter 7 - Common Mode Rejection (Grounding and Shielding Techniques for EMI, EMC and ESD)

  • Problem .. Induced Noise
  • Problem: Measure Small Voltage Differences In a High Common-Mode Environment.
  • Shield Connection
  • Amplifiers
    • Amplifiers ..Common-Mode Rejection
    • Differential Amplifiers
  • "Normal-Mode" Voltage
  • Common Mode Voltage
    • Common Mode Error
    • Common Mode Rejection Ratio
  • Objective .. Reduce the Effects of Induced Noise
    • Noise Rejection .. Differential Input
  • Twisted Pair Conductors
  • Shielding
    • Shield Connection Strategies
    • Shield Termination
      • Driven Shield
      • Amplifier Common
      • Full Bridge
      • Thermocouples
  • The Real Differential Amplifier (and Source)
    • Real Differential Amplifier & Source .. Effect
  • Common Mode Rejection .. Source Impedance/Imbalance/Frequency Effects

Video Outline

Common Mode Rejection

Problem .. Induced Noise • Measure Small Voltages In a High Common-Mode Environment. • Shield Connection • Amplifiers ..Common-Mode Rejection • The Ideal Differential Amplifier • “Normal-Mode” Voltage • Common Mode Voltage • Common Mode Error • Common Mode Rejection Ratio • Example • Objective .. Reduce the Effects of Induced Noise • Noise Rejection .. Differential Input • Twisted Pair Conductors • Shielding • Shield Connection Strategies • Shield Termination: Driven Shield, Amplifier Common, Bridge Circuits, Thermocouples • The Real Differential Amplifier & Source—Effect • Source Impedance/Imbalance/Frequency Effects