Resistive-Circuits-and-Applications.ppt - Module 6 Resistive Circuits and Applications This Module Includes Examples of Resistive Circuits The

Resistive-Circuits-and-Applications.ppt - Module 6...

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1Module 6 Resistive Circuits and ApplicationsThis Module Includes Examples of Resistive Circuits:The Potentiometer (Variable Resistor)Volume ControlFixed-Resistor AttenuatorDigital-to-Analog Converter (R-2R Ladder)Transistor Amplifier
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2Variable Resistor(Potentiometer)
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3123123How it works….10 k123Thin film of resistive material
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4123Resistive Divider12313RTOT13RTOT2
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5123Resistive DividerRARBRA = RTOTRB = RTOT()RARB13RTOT2
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6+_Vovout= (/)Vovout = Vo = VoRARA+ RBRARTOTvout= VoRARB
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7Example 1: Position SensorExample 1: Position Sensor
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813x2+_Vovout+Functionof x1 2 3xMachine toolMoving bedExample 1: Position Sensor
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9Other Types of Variable ResistorsTen Turn PotentiometersVariable Power ResistorVariable Power ResistorVariable Power ResistorTen Turn Potentiometers
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10Example 2: Ampfier Volume ControlExample 2: Amplifier Volume Control
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11vin+v1A v1LoudspeakerloadVolume ControlDependent SourceExample 2: Amplifier Volume Control
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12Example 3: Fixed Resitive AttenuatorExample 3: Fixed Resistive Attentuator
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13R1R1R1R1R2R2+vin+voutGoal: Find attenuation ratio vout/vinLet’s go over the steps…
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  • Spring '19
  • Resistor, Vout

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