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Lecture27-Amplifier Configurations

Lecture27-Amplifier Configurations - Lecture 27 Lecture 27...

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Lecture 27 Amplifier Configurations Reading: CE/CS: Jaeger 13.6, 13.9, 13.10, 13.11 CC/CD: Jaeger 14.1, 14.3 CB/CG: Jaeger 14 1 14 4 CB/CG: Jaeger 14.1, 14.4 and Notes ECE 3040 - Dr. Alan Doolittle Georgia Tech
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Amplifier Configurations Voltage Amplifier: Voltage input and Voltage output ifier Input sistance rce Input sistance Resistance fier Output sistance Ampli Res Sour Res Load R Amplif Res Source Load Amplifier Any signal source has a finite “source resistance”, R S . The amplifier is often asked to drive current into a load of finite The controlled source is a Voltage-controlled-Voltage Source A O Ci i V l G i b f d b l i impedance, R L (examples: 8 ohm speaker, 50 ohm transmission line, etc…) ECE 3040 - Dr. Alan Doolittle Georgia Tech v =Open Circuit Voltage Gain can be found by applying a voltage source with R s =0, and measuring the open circuit output voltage(no load or R L =infinity)
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