Introductory Circuit Analysis (13th Edition)
13th Edition
ISBN: 9780133923605
Author: Robert L. Boylestad
Publisher: PEARSON
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Textbook Question
Chapter 21, Problem 29P
Find fp and fm for the parallel resonant network in Fig. 21.60, and comment on the resulting bandwidth as it relates to the quality factor of the network.
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21.7 For a series RLC circuit.
a) The bandwidth is 200 Hz. If the resonant frequency is 2000 Hz, what is the value of Q for the circuit?
b) If R = 22, what is the value of XL at resonance?
c) Find the values of L and C at resonance.
d) Determine the cutoff frequencies. |
21.5 For a series RLC circuit.
a) Find the bandwidth of a series resonant circuit having a resonant frequency of 6000 Hz and a Q of 15.
b) Find the cutoff frequencies.
c) If the resistance of the circuit at resonance 32, what are the values of X, and Xc in ohms?
d) What is the power dissipated at the half-power frequencies if the maximum current flowing through the circuit
is 0.5 Amps?
21.3 For the series circuit in Fig. 21.52:
+ VE
R = 100 A
E
12 V
2 kl V
d) Determine the quality factor of the circuit. Is it a high- or low-Q circuit?
e) If the resonant frequency is 5 kHz, determine the value of L and C.
f) Find the bandwidth of the response if the resonant frequency is 5 kHz.
g) What are the low and high cutoff frequencies?
Chapter 21 Solutions
Introductory Circuit Analysis (13th Edition)
Ch. 21 - Find the resonant s and fs for the series circuit...Ch. 21 - For the senes circuit in Fig. 21.51 : a. Find the...Ch. 21 - For the senes circuit in Fig. 21.52 : a. Find the...Ch. 21 - For the circuit in Fig. 21.53: a. Find the value...Ch. 21 - a. Find the bandwidth of a series resonant circuit...Ch. 21 - A series circuit has a resonant frequency of 10...Ch. 21 - a. The bandwidth of a series resonant circuit is...Ch. 21 - The cutoff frequencies of a series resonant...Ch. 21 - a. Design a series resonant circuit with an input...Ch. 21 - Design a series resonant circuit to have a...
Ch. 21 - A series resonant circuit is to resonate at s=2106...Ch. 21 - Prob. 12PCh. 21 - For the ideal parallel resonant circuit in Fig. 21...Ch. 21 - For the parallel resonant network in Fig. 21.55:...Ch. 21 - The network of Fig. 21.56 has a supply with an...Ch. 21 - For the network in Fig. 21.57: a. Find the value...Ch. 21 - The network shown in Fig. 21.58 is to resonate at...Ch. 21 - For the network in Fig. 21.59: a. Find the...Ch. 21 - Prob. 19PCh. 21 - It is desired that the impedance ZT of the high Q...Ch. 21 - For the network in Fig. 21.62: a. Find fp. b....Ch. 21 - For the network in Fig. 21.63: a. Find the value...Ch. 21 - Prob. 23PCh. 21 - For the network in Fig. 21.65: a. Find fs. fp, and...Ch. 21 - For the network in Fig. 21.66, the following are...Ch. 21 - Prob. 26PCh. 21 - For the parallel resonant circuit in Fig. 21.68:...Ch. 21 - Verify the results in Example 21.8, That is, show...Ch. 21 - Find fp and fm for the parallel resonant network...
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- 21.3 For the series circuit in Fig. 21.52: a) Find the value of X. for resonance. R = 100 A b) Determine the magnitude of the current I at resonance. 12 V 2 k V c) Find the voltages YR, Y, and ye at resonance, and compare their magnitudes. d) Determine the quality factor of the circuit. Is it a high- or low-Q circuit? e) If the resonant frequency is 5 kHz, determine the value of L and C. f) Find the bandwidth of the response if the resonant frequency is 5 kHz. g) What are the low and high cutoff frequencies?arrow_forwardAnswer the following questions:8. State in your own words the relationship between Q and the bandwidth of a tuned circuit.9. What kind of ilter is used to select a single signal frequency from many signalsf?arrow_forwarda. b. c. , and d.arrow_forward
- + VR R = 100 N X1 E 12 V Xc 2 kN Vc 21.3 For the series circuit in Fig. 21.52:| a) Find the value of X. for resonance. b) Determine the magnitude of the current I at resonance. c) Find the voltages Ye, Y, and yc at resonance, and compare their magnitudes. d) Determine the quality factor of the circuit. Is it a high- or low-Q circuit? e) If the resonant frequency is 5 kHz, determine the value of L and C. f) Find the bandwidth of the response if the resonant frequency is 5 kHz. 9) What are the low and high cutoff frequencies?arrow_forwardI only need help with d)arrow_forwardI only need help with g)arrow_forward
- The cutoff frequencies of a series resonant circuit are 5400 Hz and 6000 Hz. a) Find the bandwidth of the circuit. b) If Qs is 9.5, find the resonant frequency of the circuit. c) If the resistance of the circuit is 2 2 find the value of XL and XC at resonance. d) Find the value of L and C at resonance.arrow_forwarda. Find the value of L in millihenries if the resonant fre- quency is 1800 Hz. b. Calculate X₁ and X. How do they compare? c. Find the magnitude of the current Irms at resonance. d. Find the power dissipated by the circuit at resonance. e. What is the apparent power delivered to the system at resonance? f. What is the power factor of the circuit at resonance? g. Calculate the Q of the circuit and the resulting bandwidth. Find the cutoff frequencies, and calculate the power dis- sipated by the circuit at these frequencies. h. R ww 4.70 20 x 10³ sin wit voo C2 μFarrow_forwardBW mssege signai COTier. i) Draw the modulated signal in ii) find the bandwidth of the modulated signal ii) What is phase reversal and we could avoid it? frequency domain, (AM)arrow_forward
- Given the parallel-connected RLC circuit below: a. Calculate the resonance frequency. b. Calculate the supply current, and the individual current flowing through the coil and capacitor, when the circuit is resonating. C. Draw the supply current transient along the frequency-axis when the input frequency sweeps from 0Hz to the resonant frequency and beyond (>1.5fo). d. Calculate the Q-factor. e. Draw the bandwidth profiles for y-axis being current (A), voltage (V), and maximum k-value (impedance), and it's respective cut-off frequencies. V = 520°V, rms 0.2 Ω M 100MH3 coil Figure 2. Parallel-connected RLC circuit. 2 μFarrow_forwardQ.5: b. Choose the suitable choice for nine of the following sentences. 1. In order to lune a parallel resonant circuit to a lower frequency. the capacitor must........ > Be decrease. a. Be increase d. Remain the same. e. Be Zero. 2 In series as well as parallel resonance circuit, increase in resistance would cause the bandwidth is...... a. Increase in both circuits. (h. Decrease in series eircuit and increase in parallel circuit. d. lucrease in series circuit and decrease in parallel circuit. circuit. e Decrease in both circuits. 3. In a very low frequency a series resonance circuit behaves as almost purely a. Resistive. c. Inductive. d. Inductive and capacitive. b. Capacitive: 4. Real part of the total impedance at resonance for complicated AC circuit is a. Positive Value. b. Zero Value. 5. For admittance locus the maximum obtained power factor is depend on: a. Maximum current b. Maximum voltage c. Minimum power 4. Minimum angle 6. Any non-sinusoidal symmetrical waves are basically…arrow_forwardConsider a lead network with a lower frequency break of 800 Hz. Calculate the frequency at which the gain will be -24.6 dB?arrow_forward
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