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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
Figure P4.5-1a shows two resistive ladder segments. The transfer function of each segment (ratio of output to input voltage) is 1/2. Figure P4.5-1b shows these two segments connected in cascade.
a. Is the transfer function (ratio of output to input voltage) of this cascaded network (1/2)(1/2) = 1/4?
b. If your answer is affirmative, verify the answer by direct computation of the transfer function. Does this computation confirm the earlier value 1/4? If not, why?
c. Repeat the problem with R3 = R4 = 20 kΩ. Does this result suggest the answer to the problem in part (b)?

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