Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Chapter 22, Problem 28P
Design a band-pass filter such as the one appearing in Fig. 22.111 to have a low cutoff frequency of 4 kHz and a high cutoff frequency of 80 kHz.
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3. Consider the RL circuit with a constant voltage source shown in the diagram below. The
values of the resistor, inductor, and input voltage are R = 100, L = 100 mH, and Vo = 12V,
respectively.
Vo
-
Ti(t)
R
w
When the switch closes at time t = 0, the current begins to flow as a function of time. It
follows from Kirchoff's voltage law that the current is described by the differential equation
di(t)
L
dt
+ Ri(t) = Vo⋅
4. Consider the RL circuit with a sinusoid voltage source shown in the diagram below. The values
of the resistor, inductor, input voltage amplitude and frequency are R = 5, L = 50mH,
and Vo = 10 V, respectively. The input voltage frequency w is variable. Assume that the
circuit has reached steady state.
Voejwt
+
↑i(t)
R
سيد
The input voltage can be described using the complex sinusoid function
V(t) = Voejwt
The current is given by a sinusoid with same the frequency was the input voltage, but a
different magnitude and different phase. The physical voltage and current are obtained by
taking the real part. In complex form, the current is given by
i(t)
Vo ejwt
R1+jw/
The differential equation that describes the current follows from Kirchoff's voltage law, and
is given by
di(t)
L + Ri(t)
=
Voejwt
dt
2. (4 marks) Use the real and imaginary parts of ĉejut, where ñ = a + jb = e³, to show that:
c cos(wt) = acos(wt) – bsin(wt),
csin(wt) = a sin(wt) + bcos(wt).
Describe the relations between a, b, c, and o.
Chapter 22 Solutions
Introductory Circuit Analysis (13th Edition)
Ch. 22 - Determine the frequencies (in kHz) at the points...Ch. 22 - Determine log10 for each value of X. 100,000...Ch. 22 - Given N=log10 , determine for each value of N. 3...Ch. 22 - Determine loge for each value of X. a. 100,000 b....Ch. 22 - Determine log1048=log10(8)(6), and compare to...Ch. 22 - Determine log100.2=log1018/90, and compare to...Ch. 22 - Verify that log100.5 is equal to...Ch. 22 - Prob. 8PCh. 22 - Determine the number of bels that relate power...Ch. 22 - Prob. 10P
Ch. 22 - Prob. 11PCh. 22 - Determine the dBm level for an output power of...Ch. 22 - Find the dBu gain of an amplifier that raises the...Ch. 22 - Prob. 14PCh. 22 - If the sound pressure level is increased from...Ch. 22 - What is the required increase in acoustical power...Ch. 22 - Using semilog paper, plot XL versus frequency for...Ch. 22 - For the meter of Fig. 22.8, find the power...Ch. 22 - For the R-C low-pass filter in Fig. 22.105: Sketch...Ch. 22 - Prob. 20PCh. 22 - Design an R-Clow-pass filter to have a cutoff...Ch. 22 - For the low-pass filter in Fig. 22.107: Fig....Ch. 22 - For the R-C high-pass filter in Fig. 22.108:...Ch. 22 - For the network in Fig. 22.109: Determine...Ch. 22 - Design a high-pass R-C filter to have a cutoff or...Ch. 22 - For the high-pass filter in Fig. 22.110: Determine...Ch. 22 - For the band-pass filter in Fig. 22.111: Sketch...Ch. 22 - Design a band-pass filter such as the one...Ch. 22 - For the band-pass filter in Fig. 22.112...Ch. 22 - Prob. 30PCh. 22 - For the band-stop filter in Fig. 22.114: Determine...Ch. 22 - For the band-pass filter in Fig. 22.115: Determine...Ch. 22 - For the network in Fig. 22.45(a), if...Ch. 22 - Prob. 34PCh. 22 - For the low-pass T filter of Fig. 22.116: In...Ch. 22 - Prob. 36PCh. 22 - For the Butterworth filter of Fig. 22.118: Fig....Ch. 22 - Sketch the idealized Bode plot for Av=Vo/Vi for...Ch. 22 - Sketch the response of the magnitude of...Ch. 22 - Sketch the idealized Bode plot for Av=Vo/Vi for...Ch. 22 - Sketch the response of the magnitude of...Ch. 22 - Prob. 42PCh. 22 - Prob. 43PCh. 22 - For the filter in Fig. 22.125: Sketch the curve of...Ch. 22 - Prob. 45PCh. 22 - Prob. 46PCh. 22 - Prob. 47PCh. 22 - A bipolar transistor amplifier has the following...Ch. 22 - A transistor amplifier has a midband gain of 120,...Ch. 22 - Sketch the Bode plot of the following function:...Ch. 22 - Sketch the Bode plot of the following function:...Ch. 22 - Sketch the Bode plot of the following function:...Ch. 22 - Sketch the Bode plot of the following function:...Ch. 22 - Sketch the Bode plot of the following function...Ch. 22 - Prob. 56PCh. 22 - Using schematics, obtain the magnitude and phase...Ch. 22 - Using schematics, obtain the magnitude and phase...Ch. 22 - Prob. 59PCh. 22 - Prob. 60P
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