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# q10 - A 22 v I2 2 The f gure shows an op amp circuit It is...

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ECE 3050 Analog Electronics Quiz 10 March 25, 2009 Professor Leach Name Instructions. Print your name in the space above. Honor Code: I have neither given nor received help on this quiz. Initials 1. The fi gure shows an op amp circuit. It is given that R 1 = 20 k , R 2 = 4 k , R 3 = 6 k , R 4 = 3 k , R F 1 = 180 k , R F 2 = 30 k . (a) Solve for v O 1 as a function of v I 1 . (b) Solve for v O 2 as a function of v I 1 and v I 2 . R 1 20000 R 2 4000 R 3 6000 R 4 3000 R F1 180000 R F2 30000 A 11 R F1 R 1 A 11 9 = A 12 A 11 R 3 R 2 R 3 . 1 R F2 R 4 . A 12 59.4 = A 22 R F2 R 4 A 22 10 = v O1 A 11 v I1 . v O2 A 12 v I1

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Unformatted text preview: . A 22 v I2 . 2. The f gure shows an op amp circuit. It is given that R 1 = R 2 = 10k Ω , R 3 = R 4 = 40k Ω and v I = 2V . (a) Solve for i 1 . (b) Solve for v O 1 . (c) Solve for R 5 such that v O 2 = − v O 1 . 1 R 1 10000 R 2 10000 R 3 40000 R 4 40000 v I 2 i 1 v I R 1 R 2 i 1 1 10 4 = v O1 i 1 R 3 R 4 . v O1 8 = v O2 v O1 R 5 v O2 i 1 R 5 8 10 4 = 2...
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q10 - A 22 v I2 2 The f gure shows an op amp circuit It is...

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