Ee 4bd4 lecture 6
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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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Ee 4bd4 lecture 6

EE 4BD4 Lecture 6

Amplifiers and Other Analog Circuits


Need for amplifiers

Need for Amplifiers


Operational amplifiers important specifications

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


Rules for circuit design

Rules for Circuit Design

  • In the linear operating range voltages at each input terminal are equal

  • Input impedance at each terminal = ∞


Typical circuits

Typical Circuits

  • Inverting Amplifier

  • Voltage Follower

  • Non Inverting Amplifier

  • Summing Amplifier

  • Active Filters

  • Differential Amplifier

  • Comparator


Active filters

Active Filters


Comparator with hysteresis

Comparator with Hysteresis


Monolithic instrumentation amplifier

Monolithic Instrumentation Amplifier


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