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EE 4BD4 Lecture 6

EE 4BD4 Lecture 6. Amplifiers and Other Analog Circuits. Need for Amplifiers. Operational Amplifiers (Important Specifications). Input Impedance Gainbandwidth Product (GBWP) Unit Gain Frequency Response Slew Rate Noise (Referred to Input) Power Consumption Offset Voltage

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EE 4BD4 Lecture 6

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  1. EE 4BD4 Lecture 6 Amplifiers and Other Analog Circuits

  2. Need for Amplifiers

  3. Operational Amplifiers(Important Specifications) • Input Impedance • Gainbandwidth Product (GBWP) • Unit Gain Frequency Response • Slew Rate • Noise (Referred to Input) • Power Consumption • Offset Voltage • Power Supply Range

  4. Rules for Circuit Design • In the linear operating range voltages at each input terminal are equal • Input impedance at each terminal = ∞

  5. Typical Circuits • Inverting Amplifier • Voltage Follower • Non Inverting Amplifier • Summing Amplifier • Active Filters • Differential Amplifier • Comparator

  6. Active Filters

  7. Comparator with Hysteresis

  8. Monolithic Instrumentation Amplifier

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