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# HW2 - PHYS3360/AEP3630 Electronic Circuits Spring 2011 HW2...

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PHYS3360/AEP3630 Electronic Circuits, Spring 2011, HW2 1 Operational Amplifier HW2 : Friday, Feb 4, 2011 DUE : Friday, Feb 11, 2011 READ : Lab Manual, Chapters 2 and 3 QUIZ2 : Blackboard Assignments . Finish by the end of Wednesday, Feb 9 Optional: Problems: see additional problems in Lab Manual, Chapter 2 (not graded) Problems 1. Find best values for common mode rejection ratio (CMRR) for the 741C, 3140A, and LF356 op-amps from the manufacturer's spec sheets. These values should be for an 8 pin DIP package and ± 15V supplies at room temperature. Express the values in dB and µ V/V. 2. An op-amp has the following parameters: G = 100dB, CMRR = 90dB, “built-in” offset V os = 2mV (at the non-inverting input), R in = 10 12 Ω, R out = 80 Ω, V + = 12V, V = –12V, V sat+ = V + – 1V, V sat– = V + 1V. For each of the input pairs v non and v inv listed below, determine the output voltage v out when there is no load connected to the output. Assume v diff = v non v inv

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HW2 - PHYS3360/AEP3630 Electronic Circuits Spring 2011 HW2...

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