HW1 - connected between V out terminal and ground). What is...

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PHYS3360/AEP3630 Electronic Circuits, Spring 2011, HW1 1 Introduction HW1 : Friday, Jan 28 DUE : Friday, Feb 4 READ : Lab Manual, Appendix A, Chapter 1 and 2 QUIZ1 : Blackboard Assignments . Finish by the end of Wednesday, Feb 2 Optional: Problems: see additional problems in Lab Manual, Chapter 1 (not graded) Links: The course web-site has links to on-line tutorials and more under Misc Links . Problems 1. The circuit to the right is a simple version of a 4-bit digital-to-analog converter (DAC), also known as R-2R ladder. Voltages V 0 , V 1 , V 2 , and V 3 supplied to the input of the DAC, have two fixed levels, e.g. either 0 or 5 V corresponding to the bit logic values of 0 and 1. The output voltage V out produces a 4-bit analog version of the input as specified by V 0 , V 1 , V 2 , and V 3 . a. Find the expression for V out in terms of V 0 , V 1 , V 2 , V 3 , and R as needed. b. Suppose the output of DAC drives a load with resistance R (i.e. a resistor R is
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Unformatted text preview: connected between V out terminal and ground). What is the new value of V out in this case? 2. a. Prove formulas given in lecture for -Y transformation. b. For Y- transformation. c. Find resistance R AB for the circuit below. PHYS3360/AEP3630 Electronic Circuits, Spring 2011, HW1 2 3. An infinite train of square pulses of period 2 with voltage changing from 0 to V max (shown on the left) is supplied to the input of a low-pass RC filter. What is the average value of the output voltage <V out > in a steady state? Determine the peak-to-peak voltage V pp of the output wavefront (sketched on the right) in terms of , R, C, and V max . Check whether the asymptotic behavior of your formula agrees with your intuition when << RC and >> RC. 4. Lab Manual, Chapter 1, Problem 4. V pp 0 <V out > V max...
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HW1 - connected between V out terminal and ground). What is...

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