Prof. Rich Kozick
ELEC 470, Spring 1998

Homework 2


Date Assigned: Friday, January 23, 1998
Date Due: Monday, January 26, 1998


  1. Please read sections 2.1 through 2.5 in the Haykin text, which provide a review of the Fourier transform. Note that Appendix 11 contains several tables, including tables of Fourier transform pairs and properties.

  2. What are reasonable values for R and C if the "envelope detector" circuit shown below is used to demodulate a commercial AM radio station? The carrier frequencies for AM radio stations range from approximately 550 kHz to 1.5 MHz. Explain your reasoning.

    [CIRCUIT DIAGRAM OMITTED IN HTML VERSION, BUT IS AVAILABLE ON PAGE 130, FIGURE 3.7(a) IN THE HAYKIN TEXT]









Thank you. Have a nice weekend.