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OPERATIONAL AMPLIFIERS: Basic Circuits and Applications

Texas A & M UniversityEdgar Sanchez-Sinencio, ELEN 457 OPERATIONALAMPLIFIERS:BasicCircuits and ApplicationsECEN 457 (ESS)Texas A & M UniversityEdgar Sanchez-Sinencio, ELEN 457 Outline of the course Introduction & Motivation OP Amp Fundamentals Circuits with Resistive Feedback Basic Operators: Differential, Integrator, Low Pass Filters Static Op Amp Limitations Dynamic Op Amp Limitations Noise Nonlinear Circuits Signal Generators Voltage Reference and Linear Regulators OPERATIONAL Transconductance amplifier Analog MultipliersTexas A & M UniversityEdgar Sanchez-Sinencio, ELEN 457 BRIEF OP AMP HISTORY3-The OPERATIONAL amplifier (op amp) was invented in the 40 s.

The transconductance amplifiers is typically used in closed loop for switched-capacitor circuits. The transconductance amplifiers are often used in open loop for continuous-time filters. (Gm-C filters) •Where do you use transconductance amplifier (VCIS) or current amplifier (ICIS) amplifiers? —In continuous-time current-mode filters.

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