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ECE 2799 Electrical and Computer Engineering Design “ANALOG PROCESSING TECHNIQUES” Prof. Bitar
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S. J. Bitar - 2007 Analog vs. Digital Analog Analog Continuous Signals Continuous Signals Signal Processing Using Operational Amplifiers Signal Processing Using Operational Amplifiers Digital Digital Discrete Values A/D and D/A Converters Signal Processing Using Microprocessors/ Microcontrollers
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S. J. Bitar - 2007 Op-Amp Signal Processing Applications Linear Operations Linear Operations Scalar Multiplication Scalar Multiplication Addition Addition Subtraction Subtraction Integration Integration Differentiation Differentiation Filtering Filtering Non-Linear Operations Non-Linear Operations Comparator Schmitt Trigger
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S. J. Bitar - 2007 Scalar Multiplication Amplification (Non-Inverting) A VinVout
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S. J. Bitar - 2007 Scalar Multiplication Amplification (Inverting) - A VinVout
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S. J. Bitar - 2007 Scalar Multiplication Attenuation (Reduction) A VinVout
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S. J. Bitar - 2007 Signal Addition (Passive) Σ Vin1 Vin2 A ( If R1 = R2 )
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S. J. Bitar - 2007 Signal Addition Inverting Summer (Mixer) Σ Vin1 Vin3 -A Vin2
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S. J. Bitar - 2007 Signal Subtraction Difference Amplifier +-+- Vin1 A Vin2
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S. J. Bitar - 2007 Signal Subtraction Instrumentation Amplifier +-+- Vin1 A Vin2
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S. J. Bitar - 2007 Integration
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Differentiation
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Filter Applications Low Pass Filter (LPF) Low Pass Filter (LPF) High Pass Filter (HPF) High Pass Filter (HPF) Band Pass Filter (BPF) Band Pass Filter (BPF)
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S. J. Bitar - 2007 Low Pass Filter (LPF)
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S. J. Bitar - 2007 High Pass Filter (HPF)
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S. J. Bitar - 2007 Band Pass Filter (BPF)
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S. J. Bitar - 2007 Non-Linear Op-Amp Applications Comparator Comparator Schmitt Trigger Schmitt Trigger
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S. J. Bitar - 2007 Voltage Comparator If Vin > Vref then Vout = +Vsat If Vin < Vref then Vout = -Vsat
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S. J. Bitar - 2007 Schmitt Trigger Inverting Type (Note Positive Feedback!)
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S. J. Bitar - 2007 Schmitt Trigger Non-Inverting Type (Note Positive Feedback!) Note Signs!
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