Lecture_29

# Lecture_29 - Step 2 Let v I 1 = 0 as in Figure(c EE 310...

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EE 310 Lecture 29 The Summing Amplifier Using superposition, find the voltage gain of this circuit: Lecture 29 Page 1

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The Noninverting Op-Amp Configuration Why does v O / v I = (1 + R 2 / R 1 )? EE 310 Lecture 29 Lecture 29 Page 2
The Voltage Follower Derive the gain expression for this circuit: What are voltage followers used for? EE 310 Lecture 29 Lecture 29 Page 3

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Superposition Example Determine v O for the following circuit using superposition: EE 310 Lecture 29 Lecture 29 Page 4
The Difference Amplifier Analyze (a) using superposition: Step 1 - Let v I 2 = 0 as in Figure (b)

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Unformatted text preview: Step 2 - Let v I 1 = 0 as in Figure (c) EE 310 Lecture 29 Lecture 29 Page 5 Difference Amplifier Example i O 4 V 5 V 10 k W 10 k W 10 k W 10 k W i 2 Find v O and i O for this circuit from fundamental principles: Repeat using the voltage gain formula for a difference amplifier: EE 310 Lecture 29 Lecture 29 Page 6 Input Resistance of the Difference Amplifier Recall the expression for v O as a function of ( v I 2 − v I 1 ): Find the resistance looking into each input terminal: EE 310 Lecture 29 Lecture 29 Page 7...
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Lecture_29 - Step 2 Let v I 1 = 0 as in Figure(c EE 310...

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