Basic Engineering Circuit Analysis
11th Edition
ISBN: 9781118992661
Author: Irwin, J. David, NELMS, R. M., 1939-
Publisher: Wiley,
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Textbook Question
Chapter 4, Problem 38P
Find the input/output relationship for the current amplifier shown in Fig. P4.38.
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Note: You might want to do the last question first because the last question asks you to
write some python code to calculate the zeros and poles. You could use that code here to
help you (except the first problem which you should be able to do by inspection alone)
Find the poles and zeros for each of the following transfer functions
1.
S+3
H(s)
=
8 5
2.
H(s):
=
s238 +1
s2 +48 +3
3.
s(s+4)
H(s)
s3+2s23s
4.
82-586
H(s) =
-
8382-68
5.
H(s):
=
s2 +48 +3
s45836s2 - 6
Write python program to plot the zeros and poles if a user provides the coefficients for
the numerator and denominator of the transfer function. Since the zeros and poles can be
complex, this plot is essentially and argand diagram, where the x axis is the real component
and the y axis the imaginary component of a given zero or pole.
Create a method called plot-poles zeros(num, den) which takes two lists containing the
coefficients. Here is an example and the resulting plot.
num
[1, 3, 7] # yields zeros at -1.5 +/- 2.17945j
den = [1, 4, 5, 3] # yields poles at -2.46557, -0.7672143 +/- 0.7925519j
plot_poles_zeros(num, den)
Imaginary
Page 2
Pole-Zero Plot
3
Zeros
× Poles
2
1
-2
1
*
Real
When you write your code you are only allowed to use the packages numpy and matplotlib.
Make sure you label the axes, provide a legend and give a title to your plot (See the example
plot).
Hint: numpy has a method called roots. When given a list of numbers corresponding to the
coefficients of a polynomial,…
a) [10] Compute the zeros and poles for the following transfer function:
$2
+5s+6
H(s):
s2 +3s+2
b) [10] Factor both polynomials in the numerator and denominator. What does this tell you
about one of the poles and zeros you found in a)?
Chapter 4 Solutions
Basic Engineering Circuit Analysis
Ch. 4 - An amplifier has a gain of 15 and the input...Ch. 4 - An amplifier has a gain of 5 and the output...Ch. 4 - An op-amp based amplifier has supply voltages of...Ch. 4 - For an ideal op-amp, the voltage gain and input...Ch. 4 - Revisit your answers in Problem 4.4 under the...Ch. 4 - Revisit the exact analysis of the inverting...Ch. 4 - Revisit the exact analysis of the inverting...Ch. 4 - An op-amp based amplifier has 18V supplies and a...Ch. 4 - Assuming an ideal op-amp, determine the voltage...Ch. 4 - Assuming an ideal op-amp, determine the voltage...
Ch. 4 - Assuming an ideal op-amp in Fig. P4.11, determine...Ch. 4 - Assuming an ideal op-amp, find the voltage gain of...Ch. 4 - Assuming an ideal op-amp in Fig. P4.13, determine...Ch. 4 - Determine the gain of the amplifier in Fig. P4.14....Ch. 4 - For the amplifier in Fig. P4.15, find the gain and...Ch. 4 - Using the ideal op-amp assumptions, determine the...Ch. 4 - Using the ideal op-amp assumptions, determine...Ch. 4 - In a useful application, the amplifier drives a...Ch. 4 - The op-amp in the amplifier in Fig. P4.19 operates...Ch. 4 - For the amplifier in Fig. P4.20, the maximum value...Ch. 4 - For the circuit in Fig. P4.21, (a) find Vo in...Ch. 4 - Find Vo in the circuit in Fig. P4.22, assuming...Ch. 4 - The network in Fig. P4.23 is a current-to-voltage...Ch. 4 - Prob. 24PCh. 4 - Determine the relationship between v1 and io in...Ch. 4 - Find Vo in the network in Fig. P4.26 and explain...Ch. 4 - Determine the expression for vo in the network in...Ch. 4 - Show that the output of the circuit in Fig. P4.28...Ch. 4 - Find vo in the network in Fig. P4.29.Ch. 4 - Find the voltage gain of the op-amp circuit shown...Ch. 4 - Determine the relationship between and in the...Ch. 4 - Prob. 32PCh. 4 - For the circuit in Fig. P4.33, find the value of...Ch. 4 - Find Vo in the circuit in Fig. P4.34.Ch. 4 - Find Vo in the circuit in Fig. P4.35.Ch. 4 - Determine the expression for the output voltage,...Ch. 4 - Determine the output voltage, of the noninverting...Ch. 4 - Find the input/output relationship for the current...Ch. 4 - Find V0 in the circuit in Fig. P4.39.Ch. 4 - Find Vo in the circuit in Fig. P4.40.Ch. 4 - Find the expression for in the differential...Ch. 4 - Find vo in the circuit in Fig. P4.42.Ch. 4 - Find the output voltage, vo, in the circuit in...Ch. 4 - The electronic ammeter in Example 4.7 has been...Ch. 4 - Given the summing amplifier shown in Fig. 4PFE-l,...Ch. 4 - Determine the output voltage V0 of the summing...Ch. 4 - What is the output voltage V0 in Fig. 4PFE-3. a....Ch. 4 - What value of Rf in the op-amp circuit of Fig....Ch. 4 - What is the voltage Vo in the circuit in Fig....
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What is a Power Amplifier, And Do I Need One?; Author: Sweetwater;https://www.youtube.com/watch?v=2wkmSm4V00M;License: Standard Youtube License