Question

Part I: Black Box A Design your first black box adhering to the following specifications A. Input Signal to Black Box A 1. A 1 kHz cosine wave with amplitude of 1V. B. Output Signal from Black Box A 1. A 1 kHz sine wave with amplitude of Hint: Use an ideal op-amp C. Explain your design process. What type of circuit did you design? Discuss D. Why did vou use an op-amp? Could another component be used instead? Why or why not? Provide plots of the input and output signal. Provide a schematic diagram of circuit E. Part II: Black Box B Design your second black box adhering to the following specifications A. Input Signal to Black Box B 1. The output signal from Black Box A B. Output Signal from Black Box B 1. A 1kHz square wave with amplitude of 10V C. Explain your design process D. What component did you use to get the right output response? Explain Why? E. How does the output signal vary from the input signal with respect to amplitude and period? F. Provide plots of the input and output signal. Provide a schematic diagram Part III: Fourier Analvsis A. Determine the Fourier series for the periodic output signal from black box B Show all calculations B. How many terms in the Fourier series are needed to approximate the square output signal from black box B? What insight does this give you concerning the type of output filter to design? (Hint: cutoff frequency of filter) C. Use Matlab to provide plots when you use 10, 20, and 50 terms in your Fourier series. Use Matlab to plot the signal with respect to time Part IV: Black Box C Design your third black box adhering to the following specifications A. Input Signal to Black Box (C 1. The output signal from Black Box B B. Output Signal from Black Box C 1. A lkHz cosine wave with amplitude of 10V. Hint: Use a Butterworth Filter design. Conduct research to obtain component values and circuit configuration for generating a Butterworth Filter. C. What component(s) did you use to get the right output response? Explain Why? D. How does the output signal vary from the input signal with respect to amplitude, period, and phase? E. Provide plots of the input and output signal F. Provide a schematic diagram Extra Credit: Analyzing and building Black Box A circuit (worth 50 points) Extra Credit: Building Black Box A. Build the circuit simulated in Part 1 to get the associated input and output signals. (See Part 1) B. Apply a 5kHz sinusoidal signal to the input and observe the output (Vo) on the oscilloscope. Describe what you observe C. Graphically plot what you see on the oscilloscope. D. Compare this response to the one you simulated in Part I. (Discuss in detail.)

Answer 1

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