ECEN3713 Network Analysis Lecture

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ECEN3713 Network AnalysisLecture 11 14
February 2006Dr. George Scheets

• Read 13.4 13.5, 13.7
• Problems 13.9 13.12
• Exam 1, Thursday 16 February
• Chapter 12 13.1 - 13.5, no initial conditions

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V(s) (100s 106)/(s 5000)2
v(t) 500,000te-5000t 100e-5000t
Stability Issues Location of poles on Real axis
sets decay rate.
Shape of curve indicates not pure exponential.
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v(t) 500,000te-5,000t 100e-5,000t)
500,000te-5,000t
100
t
.001
100e-5,000t
100
t
.001
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Pulse in u(t) u(t-1)...
xin(t)
1
t
10
1
5
Smeared pulse out u(t)(1e-0.5t) -
u(t-1)(1e-0.5(t-1))
xin(t)
1
t
10
1
xout(t)
0.632
t
10
1
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V(s) 4/(s(4Cs2 (14C)s 5)
Will not oscillate when 0 lt C lt 13 mF
1 H
vin
1 O
C
vout
4 O
Quiz 4B 2005
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V(s) 4/(s(4Cs2 (14C)s 5)
Oscillate when 14 mF lt C lt 4.49 F
1 H
vin
1 O
C
vout
4 O
Quiz 4B
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V(s) 4/(s(4Cs2 (14C)s 5)
Will not oscillate when C gt 4.49 F
1 H
vin
1 O
C
vout
4 O
Quiz 4B
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