560t108 - ECE 560 Test #1 Answers 1. By inspection of step...

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ECE 560 Test #1 Answers 1. By inspection of step response: (a) %OS % œ#! (b) sec Xœ" : (c) DC gain œ# 2. ln ln '1 œ  Ð!Þ$Ñ Ð!Þ$Ñ œ !Þ$&(* ## X œ "! œ % Ê œ "Þ""() =8 8 * '= = poles: =œ  „4 " œ = ' 88 # È  !Þ% „ 4"Þ!%$( 3. This is a solved exercise in Chapter 5. (1) Combine two blocks in cascade to form an block. == # (2) Combine block and block in parallel to form a block. = "Î= Ð=  "Ñ = #$ * (3) Combine block in unity feedback connection to form a Ð=  "Ñ = $ * Ð=  "Ñ Ð=  =  "Ñ $$ * block. (4) Combine block in cascade with block to form a Ð=  "Ñ Ð=  =  "Ñ "Î= * Ð= "Ñ =Ð= ="Ñ * block.
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