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WEEK 15: FINAL CORRECTING DEVICES: AMPLIFIERS Sections: Basic | Circuits | Op-Amps Definition. Amplifiers are three-terminal devices used in control systems. There are two inputs: positive or the non-inverting terminal and the negative or the inverting terminal. The third is call the output terminal. Fundamental Equation: eOUT = - A (e1 - e2)
Staturation voltages is usually ± 10 volts. Assumptions. To perform matematical operations, assume that the amplifier has: Sections: Basic | Circuits | Op-Amps Circuitry. Here under are the basic circuits involving amplifiers Voltage Follower. Used as a buffer stage. Voltage at negative input is dictated by the output voltage. If the output voltage differes from the circuit input voltage by a small error, then the amplifier input difference voltage will be set-up of such polarity that will reduce the output voltage error. |