Transimpedance Amplifiers

• Basic Design:
  • Elementary Transimpedance Photodiode Amplifier Design
  • Transimpedance Photodiode Amplifier: Bandwidth Study
  • Photodiode Speed and Reverse Bias
  • What's My Transimpedance Q and f3db Bandwidth?
  • Transimpedance Amplifier Input Offset: Error Impedance
  
  
• Noise:
  • The Concepts of Noise Bandwidth and Cumulative Noise
  • Transimpedance Amplifier with Butterworth PostAmp Filter
  • Photocurrent Shot Noise
  • Noise: Input vs Output Referred Noise
  • The Ideal Noise Gain
  • The Noise Gain
  • Transimpedance Noise: Bode Plot vs Exact Noise
  • Transimpedance Cumulative Noise Calculation
  • Transimpedance Full Noise Calculation
  • Noise Study: How changing Cf or Ri changes the output noise
  • Noise Study: Transimpedance vs Non-Inverting Amplifier
  • Bias Offset Noise
  
  
• Op-Amp Circuits and Measurements:
  • 550kHz Noise Measurement System
  • 100MHz Photodiode Amplifier
  • 20MHz Transimpedance Amplifier
  • 3MHz Transimpedance Amplifier: Optical Speed Measurements (AD8065)
  • 1.6 MHz Bandwidth Transimpedance Photodiode Amplifier (ADA4627-1)
  • 45 kHz High Gain Transimpedance Photodiode Amplifier (OPA606)
  • Photodiode Transimpedance Amplifier
  
  
• Calculators:
  • Op-Amp Calculators
  • Advanced Op-Amp Noise Calculator
  • Transimpedance Noise Calculator       Bare Bones Calculator
  • Feedback Amplifier Stability Calculator
  • Transimpedance C# Noise Utility
  
  
• Stability:
  • Feedback Amplifier Stability
  • A Note On Phase Margin
  • How Much Cf in Transimpedance Amplifier?
  • Op-amp Output Capacitance Isolation
  
  
• Charts and Reference:
  • Cascaded Filters
  • F3db Bandwidth of 2 Cascaded Independent Single-Pole Filters
  • Single Pole RC vs 2nd Order Butterworth LP Filter Responses
  • Formulae for Transimpedance Amplifier Noise
  • Transimpedance Reference Data
  • Transimpedance f3db and Cf Design Curves for Maximally Flat Frequency Response
  • Thermal Noise Chart for RC Filter