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Today
Operational Amplifiers
Differential Amplification
Differential Application
Ideal Op-Amp
Feedback
Positive Feedback
Negative Feedback
Example: Op-Amp
Think About
DAC w/ PWM
DAC fix w/ op-amp
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DAC op-amp drawbacks
DAC w/ Resistor Networks
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ADC
Successive Approx. ADC
Integrating ADC
Flash ADC
ADC with PICs
Next Time
Author: Patrick Deegan
E-mail: pdeegan@cs.umass.edu