Fundamentals of Electric Circuits
6th Edition
ISBN: 9780078028229
Author: Charles K Alexander, Matthew Sadiku
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 19.9, Problem 17PP
For the transistor amplifier of Fig. 19.60, find the voltage gain, current gain, input impedance, and output impedance. Assume that
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8-1) similar to Lathi & Ding, Prob. P.5.1-2
The figure below shows the Fourier spectra of signals of g,(t) and g₁(t). Determine the Nyquist rate and
the corresponding sampling interval for signals of g,(t), g,(t), g₁(1) - g¸(1), g¸³(t), and g₁(1)g₁(1).
Hint: Use the frequency convolution and the width property of convolution.
G₁(f)
G₂(f)
-8000
0 8000 f
-20000
10
20000 f
• We will use the Wattmeter to find the average power supplied/absorbed by each component.
The following figure shows how to connect the Wattmeter to measure the average power
absorbed by the resistor. Note that the Wattmeter consists of a Voltmeter and an Ammeter. The
Voltmeter must be connected in parallel with the component and the Ammeter must be connected
in series with the component. You must pay attention to the polarity of the voltage across the
component as well as the direction of the current flowing through the component.
5Vpk
1kHz
30°
ww
40
Z=A-JB
Wattmeter-XWM1
2.503 W
Power factor:
1.00000
Voltage
Current
•
•
Similarly connect a second Wattmeter to measure the average power supplied by the source.
Connect a third Wattmeter to measure the average power in the capacitor. Does this value agree
with the theoretical value?
Perform Interactive Simulation under Analysis and Simulation. Double click on Wattmeters to
see the average power values. Note that the Wattmeter also…
• We will use the Wattmeter to find the average power supplied/absorbed by each component.
The following figure shows how to connect the Wattmeter to measure the average power
absorbed by the resistor. Note that the Wattmeter consists of a Voltmeter and an Ammeter. The
Voltmeter must be connected in parallel with the component and the Ammeter must be connected
in series with the component. You must pay attention to the polarity of the voltage across the
component as well as the direction of the current flowing through the component.
5Vpk
1kHz
30°
ww
40
Z=A-JB
Wattmeter-XWM1
2.503 W
Power factor:
1.00000
Voltage
Current
•
•
Similarly connect a second Wattmeter to measure the average power supplied by the source.
Connect a third Wattmeter to measure the average power in the capacitor. Does this value agree
with the theoretical value?
Perform Interactive Simulation under Analysis and Simulation. Double click on Wattmeters to
see the average power values. Note that the Wattmeter also…
Chapter 19 Solutions
Fundamentals of Electric Circuits
Ch. 19.2 - Find the z parameters of the two-port network in...Ch. 19.2 - Calculate I1 and I2 in the two-port of Fig. 19.11....Ch. 19.3 - Obtain the y parameters for the T network shown in...Ch. 19.3 - Obtain the y parameters for the circuit in Fig....Ch. 19.4 - Determine the h parameters for the circuit in Fig....Ch. 19.4 - Find the impedance at the input port of the...Ch. 19.4 - For the ladder network in Fig. 19.30, determine...Ch. 19.5 - Find the transmission parameters for the circuit...Ch. 19.5 - Prob. 9PPCh. 19.6 - Determine [y] and [T] of a two-port network whose...
Ch. 19.6 - Find the z parameters of the op amp circuit in...Ch. 19.7 - Find V2/Vs in the circuit in Fig. 19.43. Figure...Ch. 19.7 - Obtain the y parameters for the network in Fig....Ch. 19.7 - Obtain the ABCD parameter representation of the...Ch. 19.8 - Obtain the h parameters for the network in Fig....Ch. 19.8 - Obtain the z parameters of the circuit in Fig....Ch. 19.9 - For the transistor amplifier of Fig. 19.60, find...Ch. 19.9 - Prob. 18PPCh. 19 - For the single-element two-port network in Fig....Ch. 19 - For the single-element two-port network in Fig....Ch. 19 - For the single-element two-port network in Fig....Ch. 19 - For the single-element two-port network in Fig....Ch. 19 - For the single-element two-port network in Fig....Ch. 19 - For the single-element two-port network in Fig....Ch. 19 - When port 1 of a two-port circuit is...Ch. 19 - A two-port is described by the following...Ch. 19 - If a two-port is reciprocal, which of the...Ch. 19 - Prob. 10RQCh. 19 - Obtain the z parameters for the network in Fig....Ch. 19 - Find the impedance parameter equivalent of the...Ch. 19 - Find the z parameters of the circuit in Fig....Ch. 19 - Using Fig. 19.68, design a problem to help other...Ch. 19 - Obtain the z parameters for the network in Fig....Ch. 19 - Compute the z parameters of the circuit in Fig....Ch. 19 - Calculate the z parameters of the circuit in Fig....Ch. 19 - Find the z parameters of the two-port in Fig....Ch. 19 - The y parameters of a network are:...Ch. 19 - Construct a two-port that realizes each of the...Ch. 19 - Determine a two-port network that is represeted by...Ch. 19 - For the circuit shown in Fig. 19.73, let z=106412...Ch. 19 - Determine the average power delivered to ZL = 5 +...Ch. 19 - For the two-port network shown in Fig. 19.75, show...Ch. 19 - For the two-port circuit in Fig. 19.76,...Ch. 19 - For the circuit in Fig. 19.77, at = 2 rad/s, z11...Ch. 19 - Prob. 17PCh. 19 - Calculate the y parameters for the two-port in...Ch. 19 - Using Fig. 19.80, design a problem to help other...Ch. 19 - Find the y parameters for the circuit in Fig....Ch. 19 - Obtain the admittance parameter equivalent circuit...Ch. 19 - Obtain the y parameters of the two-port network in...Ch. 19 - (a) Find the y parameters of the two-port in Fig....Ch. 19 - Find the resistive circuit that represents these y...Ch. 19 - Prob. 25PCh. 19 - Calculate [y] for tle two-port in Fig. 19.85.Ch. 19 - Find the y parameters for the Circuit in Fig....Ch. 19 - In the circuit of Fig. 19.65, the input port is...Ch. 19 - In the bridge circuit of Fig. 19.87, I1 = 20 A and...Ch. 19 - Find the h parameters for the networks in Fig....Ch. 19 - Determine the hybrid parameters for the network in...Ch. 19 - Using Fig. 19.90, design a problem to help other...Ch. 19 - Obtain the h parameters for the two-port of Fig....Ch. 19 - Obtain the h and g parameters of the two-port in...Ch. 19 - Determine the h parameters for the network in Fig....Ch. 19 - For the two-port in Fig. 19.94. h=16320.01S Find:...Ch. 19 - The input port of the circuit in Fig. 19.79 is...Ch. 19 - The h parameters of the two-port of Fig. 19.95...Ch. 19 - Obtain the g parameters for the wye circuit of...Ch. 19 - Using Fig. 19.97, design a problem to help other...Ch. 19 - For the two-port in Fig. 19.75, show that...Ch. 19 - The h parameters of a two-port device are given by...Ch. 19 - Find the transmission parameters for the...Ch. 19 - Using Fig. 19.99, design a problem to help other...Ch. 19 - Find the ABCD parameters for the circuit in Fig....Ch. 19 - Find the transmission parameters for the circuit...Ch. 19 - Obtain the ABCD parameters for the network in Fig....Ch. 19 - For a two-port, let A = 4, B = 30 , C = 0.1 S, and...Ch. 19 - Using impedances in the s-domain, obtain the...Ch. 19 - Derive the s-domain expression for the t...Ch. 19 - Obtain the t parameters for the network in Fig....Ch. 19 - (a) For the T network in Fig. 19.106, show that...Ch. 19 - Prob. 53PCh. 19 - Show that the transmission parameters of a...Ch. 19 - Prove that the g parameters can be obtained from z...Ch. 19 - For the network of Fig. 19.107, obtain VoVs....Ch. 19 - Given the transmission parameters T=32017 obtain...Ch. 19 - Design a problem to help other students better...Ch. 19 - Given that g=0.06S0.40.22 determine: (a) [z] (b)...Ch. 19 - Design a T network necessary to realize the...Ch. 19 - For the bridge circuit in Fig. 19.108, obtain: (a)...Ch. 19 - Find the z parameters of the op amp circuit in...Ch. 19 - Determine the z parameters of the two-port in Fig....Ch. 19 - Determine the y parameters at = 1,000 rad/s for...Ch. 19 - What is the y parameter presentation of the...Ch. 19 - In the two-port of Fig. 19.113, let y12 = y21 = 0,...Ch. 19 - If three copies of the circuit in Fig. 19.114 are...Ch. 19 - Obtain the h parameters for the network in Fig....Ch. 19 - The circuit in Fig. 19.116 may be regarded as two...Ch. 19 - For the parallel-series connection of the two...Ch. 19 - Determine the z parameters for the network in Fig....Ch. 19 - A series-parallel connection of two two-ports is...Ch. 19 - Three copies of the circuit shown in Fig. 19.70...Ch. 19 - Determine the ABCD parameters of the circuit in...Ch. 19 - For the individual two-ports shown in Fig. 19.121...Ch. 19 - Use PSpice or MultiSim to obtain the z parameters...Ch. 19 - Using PSpice or MultiSim, find the h parameters of...Ch. 19 - Obtain the h parameters at = 4 rad/s for the...Ch. 19 - Use PSpice or MultiSim to determine the z...Ch. 19 - Use PSpice or MultiSim to find the z parameters of...Ch. 19 - Repeat Prob. 19.26 using PSpice or MultiSim....Ch. 19 - Use PSpice or MultiSim to rework Prob. 19.31....Ch. 19 - Rework Prob. 19.47 using PSpice or MultiSim....Ch. 19 - Using PSpice or MultiSim, find the transmission...Ch. 19 - At =1rad/s, find the transmission parameters of...Ch. 19 - Obtain the g parameters for the network in Fig....Ch. 19 - For the circuit shown in Fig. 19.129, use PSpice...Ch. 19 - Using the y parameters, derive formulas for Zin,...Ch. 19 - A transistor has the following parameters in a...Ch. 19 - A transistor with hfe=120,hie=2khre=104,hoe=20S is...Ch. 19 - For the transistor network of Fig. 19.130,...Ch. 19 - Prob. 92PCh. 19 - Prob. 93PCh. 19 - A transistor in its common-emitter mode is...Ch. 19 - Prob. 95PCh. 19 - Prob. 96PCh. 19 - Synthesize the transfer function...Ch. 19 - A two-stage amplifier in Fig. 19.134 contains two...Ch. 19 - Assume that the two circuits in Fig. 19.135 are...
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