Basic Engineering Circuit Analysis
11th Edition
ISBN: 9781118539293
Author: J. David Irwin, R. Mark Nelms
Publisher: WILEY
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Chapter 2, Problem 41P
If
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For a band-rejection filter, the response drops below this half power point at two locations as visualised in Figure 7, we need to find these
frequencies. Let's call the lower frequency-3dB point as fr and the higher frequency -3dB point fH. We can then find out the bandwidth as
f=fHfL, as illustrated in Figure 7.
0dB
Af
-3 dB
Figure 7. Band reject filter response diagram
Considering your AC simulation frequency response and referring to Figure 7, measure the following from your AC simulation. 1% accuracy:
(a) Upper-3db Frequency (fH) =
Hz
(b) Lower-3db Frequency (fL) =
Hz
(c) Bandwidth (Aƒ) =
Hz
(d) Quality Factor (Q) =
P 4.4-21 Determine the values of the node voltages V1, V2, and
v3 for the circuit shown in Figure P 4.4-21.
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12 V
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22.
+21
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1. What is the theoretical attenuation of the output voltage at the resonant frequency? Answer to within 1%, or enter 0, or infinity (as “inf”)
Attenuation =
Chapter 2 Solutions
Basic Engineering Circuit Analysis
Ch. 2 - Determine the current and power dissipated in the...Ch. 2 - Determine the voltage across the resistor in Fig....Ch. 2 - In the network in Fig. P2.3, the power absorbed by...Ch. 2 - In the network in Fig. P2.4, the power absorbed by...Ch. 2 - A model for a standard two D-cell flashlight is...Ch. 2 - An automobile uses two halogen headlights...Ch. 2 - Many years ago a string of Christmas tree lights...Ch. 2 - Find I1,I2, and I3 in the network in Fig.P2.8.Ch. 2 - Find I1 in the network in Fig.P2.9.Ch. 2 - Find I1 in the network in Fig.P2.10.
Ch. 2 - Find I1 in the circuit in Fig.P2.11.Ch. 2 - Find I0 and I1 in the circuit in Fig.P2.12.Ch. 2 - Find Ix,Iy, and Iz in the network in Fig.P2.13.Ch. 2 - Find Ix in the circuit in Fig.P2.14.Ch. 2 - Find Ix in the network in Fig. P2.15.Ch. 2 - Find I1 in the network in Fig. P2.16.Ch. 2 - Find Vbd in the circuit in Fig. P2.17.Ch. 2 - Find I1 in the circuit in Fig. P2.18.Ch. 2 - Find I1,I2, and I3 in the network in Fig. P2.19.Ch. 2 - Find Vfb and Vec in the circuit in Fig. P2.20.Ch. 2 - Given the circuit diagram in Fig. P2.21, find the...Ch. 2 - Find VBE and VDA in the circuit in Fig. P2.22.Ch. 2 - Find Vx and Vy in the circuit in Fig. P2.23.Ch. 2 - Find Vac in the circuit in Fig. P2.24.Ch. 2 - Find Vad and Vce in the circuit in Fig. P2.25.Ch. 2 - Find Vo in the circuit in Fig. P2.26.Ch. 2 - Find V1,V2, and V3 in the network in Fig. P2.27.Ch. 2 - Find Vo in the network in Fig. P2.28.Ch. 2 - Find V1,V2, and V3 in the network in Fig. P2.29.Ch. 2 - If Vo=3V in the circuit in Fig. P2.30, find Vs.Ch. 2 - Find the power supplied by each source in the...Ch. 2 - The 10-V source absorbs 2.5-mW of power. Calculate...Ch. 2 - Find Vbd in the network in Fig. P2.33.Ch. 2 - Find V1 in the network in Fig. P2.34.Ch. 2 - Find the power absorbed by the dependent source in...Ch. 2 - In the network in Fig. P2.36, find Vx,VAE, and VBD...Ch. 2 - In the network in Fig. P2.37, find VS if VEB=6V.Ch. 2 - Find VS in the circuit in Fig. P2.38, if VBE=18V.Ch. 2 - Find VA in the network in Fig. P2.39.Ch. 2 - If the 12-V source in the network in Fig. P2.40...Ch. 2 - If VX=12V in the network in Fig. P2.41, find VS...Ch. 2 - Calculate the power absorbed by the dependent...Ch. 2 - Find VA and VO in the circuit in Fig. P2.43.Ch. 2 - Find VO and the power absorbed by the 2k resistor...Ch. 2 - Find the power absorbed or supplied by the 12-V...Ch. 2 - Find Vo in the circuit in Fig. P2.46.Ch. 2 - Find I0 in the network in Fig. P2.47.Ch. 2 - Find Io in the network in Fig. P2.48.Ch. 2 - Find the power supplied by each source in the...Ch. 2 - Find the current IA in the circuit in Fig. P2.50.Ch. 2 - Find IS in the network in Fig. P2.51.Ch. 2 - Find Io in the circuit in Fig. P2.52.Ch. 2 - Find Io in the network in Fig. P2.53.Ch. 2 - Find Vo in the circuit in Fig. P2.54.Ch. 2 - Find Vo in the network in Fig. P2.55.Ch. 2 - Find Io in the network in Fig. P2.56.Ch. 2 - Find Io in the network in Fig. P2.57.Ch. 2 - Find IL in the circuit in Fig. P2.58.Ch. 2 - Find RAB in the network in Fig. P2.59.Ch. 2 - Find RAB in the circuit in Fig. P2.60.Ch. 2 - Find RAB in the circuit in Fig. P2.61.Ch. 2 - Find RAB in the network in Fig. P2.62.Ch. 2 - Find RAB in the circuit in Fig. P2.63.Ch. 2 - Find RAB in the circuit in Fig. P2.64.Ch. 2 - Find RAB in the circuit in Fig. P2.65.Ch. 2 - Find the equivalent resistance Req in the network...Ch. 2 - Find RAB in the network in Fig. P2.67.Ch. 2 - Given the resistor configuration shown in Fig....Ch. 2 - Determine the total resistance, RT, in the circuit...Ch. 2 - Determine the total resistance, RT, in the circuit...Ch. 2 - Determine the total resistance, RT, in the circuit...Ch. 2 - Find the power supplied by the source in the...Ch. 2 - Find I1 and Vo in the circuit in Fig. P2.73.Ch. 2 - Find I1 and Vo in the circuit in Fig. P2.74.Ch. 2 - Find Vab and Vdc in the circuit in Fig. P2.75.Ch. 2 - Find Io in the network in Fig. P2.76.Ch. 2 - Find Io in the circuit in Fig. P2.77.Ch. 2 - Find V1 in the network in Fig. P2.78.Ch. 2 - Find Vab in the circuit in Fig. P2.79.Ch. 2 - Find Vab in the network in Fig. P2.80.Ch. 2 - Find I1,I2, and V1 in the circuit in Fig. P2.81.Ch. 2 - Determine Vo in the network in Fig. P2.82.Ch. 2 - Calculate VAB in Fig. P2.83.Ch. 2 - Find Io in the network in Fig. P2.84 if all...Ch. 2 - Find Io in the circuit in Fig. P2.85.Ch. 2 - Determine the power supplied by the 36-V source in...Ch. 2 - Find the power supplied by the current source in...Ch. 2 - In the network in Fig. P2.88, V1=12V. Find VS.Ch. 2 - In the circuit in Fig. P2.89, Vo=2V. Find IS.Ch. 2 - In the network in Fig. P2.90, V1=14V. Find VS.Ch. 2 - If VR=15V, find VX in Fig. P2.91.Ch. 2 - Find the value of IA in the network in Fig. P2.92.Ch. 2 - If V1=5V in the circuit in Fig. P2.93, find IS.Ch. 2 - Given that Vo=4V in the network in Fig. P2.94,...Ch. 2 - Find the value of VS in the network in Fig. P2.95...Ch. 2 - In the network in Fig. P2.96, VO=6V. Find IS.Ch. 2 - Find the value of V1 in the network in Fig. P2.97...Ch. 2 - Find the value of IA in the circuit in Fig. P2.98.Ch. 2 - If the power supplied by the 2-A current source is...Ch. 2 - The 40-V source in the circuit in Fig. P2.100 is...Ch. 2 - Find the value of the current source IA in the...Ch. 2 - Given Io=2mA in the network in Fig. P2.102, find...Ch. 2 - Find the value of Vx in the network in Fig....Ch. 2 - Given Ia=2mA in the circuit in Fig. P2.104, find...Ch. 2 - Given Va in the network in Fig. 2.105, find IA.Ch. 2 - Find the value of Vx in the circuit in Fig. P2.106...Ch. 2 - Find the power absorbed by the network in Fig....Ch. 2 - Find the value of g in the network in Fig. P2.108...Ch. 2 - Find the power supplied by the 24-V source in the...Ch. 2 - Find Io in circuit in Fig. P2.110.Ch. 2 - Find Io in circuit in Fig. P2.111.Ch. 2 - Determine the value of Vo in the network in Fig....Ch. 2 - If Vo in the circuit in Fig. P2.113 is 24 V, find...Ch. 2 - Find the value of VS in the network in Fig....Ch. 2 - Find the power supplied by the 6-mA source in the...Ch. 2 - Find Vo in the circuit in Fig. P2.116.Ch. 2 - Find Vo in the network in Fig. P2.117.Ch. 2 - Find I1 in the network in Fig. P2.118.Ch. 2 - A single-stage transistor amplifier is modeled as...Ch. 2 - Find Io in the circuit in Fig. P2.120.Ch. 2 - Find Vo in the circuit in Fig. P2.121.Ch. 2 - A typical transistor amplifier is shown in Fig....Ch. 2 - Find VX in the network in Fig. P2.123.Ch. 2 - Find Vo in the network in Fig. P2.124.Ch. 2 - Find I1,I2, and I3 in the circuit in Fig. P2.125.Ch. 2 - Find Io in the network in Fig. P2.126.Ch. 2 - Find the power absorbed by the 12-k resistor on...Ch. 2 - Find the power absorbed by the 12-k resistor in...Ch. 2 - Find the value of k in the network in Fig. P2.129...Ch. 2 - If the power absorbed by the 10-V source in Fig....Ch. 2 - If the power supplied by the 2-A current source in...Ch. 2 - What is the power generated by the source in the...Ch. 2 - Find v ah in the circuit in Fig. 2PFE-2. a. 5V c....Ch. 2 - If Req=10.8 in the circuit in Fig. 2PFE-3, what is...Ch. 2 - Find the equivalent resistance of the circuit in...Ch. 2 - The 100-V source is absorbing 50W of power in the...Ch. 2 - Find the power supplied by the 40-V source in the...Ch. 2 - What is the current I0 in the circuit in Fig....Ch. 2 - Find the voltage Vo in the network in Fig. 2PFE-8....Ch. 2 - What is the voltage Vo in the circuit in Fig....Ch. 2 - Find the current Ix in Fig. 2PFE-10. a. 1/2Ac....
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- What is the settling time for your output signal (BRF_OUT)? For this question, We define the settling time as the period of time it has taken for the output to settle into a steady state - ie when your oscillation first decays (aka reduces) to less than approximately 1/20 (5%) of the initial value. (a) Settling time = 22 μs Your last answer was interpreted as follows: Incorrect answer. Check 22 222 What is the peak to peak output voltage (BRF_OUT pp) at the steady state condition? You may need to use the zoom function to perform this calculation. Select a time point that is two times the settling time you answered in the question above. Answer to within 10% accuracy. (a) BRF_OUT pp= mVpp As you may have noticed, the output voltage amplitude is a tiny fraction of the input voltage, i.e. it has been significantly attenuated. Calculate the attenuation (decibels = dB) in the output signal as compared to the input based on the formula given below. Answer to within 1% accuracy.…arrow_forwardmy previous answers for a,b,d were wrong a = 1050 b = 950 d=9.99 c was the only correct value i got previously c = 100hz is correctarrow_forwardV₁(t) ww ZRI ZLI ZL2 ZTH Zci VTH Zc21 Figure 8. Circuit diagram showing calculation approach for VTH and Z TH we want to create a blackbox for the red region, we want to use the same input signal conditions as previously the design of your interference ector circuit: Sine wave with a 1 Vpp, with a frequency of 100 kHz (interference) Square wave with 2.4Vpp, with a frequency of 10 kHz (signal) member an AC Thevenin equivalent is only valid at one frequency. We have chosen to calculate the Thevenin equivalent circuit (and therefore the ackbox) at the interference frequency (i.e. 100 kHz), and the signal frequency (i.e. 10 kHz) as these are the key frequencies to analyse. Your boss is assured you that the waveform converter module has been pre-optimised to the DAB Receiver if you use the recommended circuit topology.arrow_forward
- Vs(t) + v(t) + vi(t) ZR ZL Figure 1: Second order RLC circuit Zc + ve(t) You are requested to design the circuit shown in Figure 1. The circuit is assumed to be operating at its resonant frequency when it is fed by a sinusoidal voltage source Vs (t) = 2sin(le6t). To help design your circuit you have been given the value of inductive reactance ZL = j1000. Assume that the amplitude of the current at resonance is Is (t) = 2 mA. Based on this information, answer the following to help design your circuit. Use cartesian notation for your answers, where required.arrow_forwardWhat is the attenuation at the resonant frequency? You should use the LTSpice cursors for your measurement. Answer to within 1% accuracy, or enter 0, or infinity (as "inf") (a) Attenuation (dB) = dB Check You may have noticed that it was significantly easier to use frequency-domain "AC" simulation to measure the attenuation, compared to the steps we performed in the last few questions. (i.e. via a time-domain "transient" simulation). AC analysis allows us to observe and quantify large scale positive or negative changes in a signal of interest across a wide range of different frequencies. From the response you will notice that only frequencies that are relatively close to 100 kHz have been attenuated. This is the result of the Band-reject filter you have designed, and shows the 'rejection' (aka attenuation) of any frequencies that lie in a given band. The obvious follow-up question is how do we define this band? We use a quantity known as the bandwidth. A commonly used measurement for…arrow_forwardV₁(t) ww ZRI ZLI ZL2 ZTH Zci VTH Zc21 Figure 8. Circuit diagram showing calculation approach for VTH and Z TH we want to create a blackbox for the red region, we want to use the same input signal conditions as previously the design of your interference ector circuit: Sine wave with a 1 Vpp, with a frequency of 100 kHz (interference) Square wave with 2.4Vpp, with a frequency of 10 kHz (signal) member an AC Thevenin equivalent is only valid at one frequency. We have chosen to calculate the Thevenin equivalent circuit (and therefore the ackbox) at the interference frequency (i.e. 100 kHz), and the signal frequency (i.e. 10 kHz) as these are the key frequencies to analyse. Your boss is assured you that the waveform converter module has been pre-optimised to the DAB Receiver if you use the recommended circuit topology.arrow_forward
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