Electronics and Photonics

• OP AMP Test Circuit
• Oscillators
• Photodiode Transimpedance Amplifier
• DC Voltage Calibration Source
• DC - 5 MHz 40 dB Amplifier
• LED Modulation Circuits
• A Simple LED Test Current-Source
• Speed of Light with Nanosecond Pulsed 650 nm Diode Laser
• LED and Visible Diode Laser Driver Circuits
  
• 1 MHz Wien-Bridge Oscillator
  
• FindR: Find best 2 or 3 resistor series or parallel combination for given resistance
  
• MatchGain: Find best feedback resistors match for opamp amplifiers