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Problem 3 (30 points): For the circuit in Fig. 3, v, has an RMS value of...
Problem 3 (30 points): For the circuit in Fig. 3, te has an RMS value of...
Problem 3 (30 points): For the circuit in Fig. 3, te has an RMS value of 9.0 V and a frequency of 60 Hz. Assume that R--20 Ω and that 0.7 V for each diode. C R Figure 3: Circuit for Problem 3 1. Find the maximum value of V.. (10 points) 2. Find the value of C to guarante a ripple voltage of 0.25 V or less. (10 points) 3. For what fraction of the time is the diode...
4. The half-wave rectifier in Fig. P3.94 is operating with an input voltage, V = 10...
4. The half-wave rectifier in Fig. P3.94 is operating with an input voltage, V = 10 sinat,at a frequency of 60 Hz and Von=1V. (25 points) C D Les = Figure P3.94 a. Draw the output voltage (Vo(t)) waveform. b. What is the minimum value of C required to maintain the ripple voltage to less than 0.25V if R=0.5 Q and the diode voltage drop is 1V? c. What is the PIV rating of the diode in this circuit? d....
2. Consider the full-wave rectifier circuit in below. The output resistance is R - 125 12,...
2. Consider the full-wave rectifier circuit in below. The output resistance is R - 125 12, each diode cut-in voltage is V, -0.7 V, and the frequency of the input signal is 60 Hz. If a filter capacitor will be connected in parallel with R. The magnitude of the peak output voltage is to be 15 V and the ripple voltage is to be no more than 0.35 V. (a) Determine the rms value of vs and (b) the required...
D *4.80 It is required to use a peak rectifier to design a de power supply...
D *4.80 It is required to use a peak rectifier to design a de power supply that provides an average de output voltage of 12 V on which a maximum of ±1-V ripple is allowed. The rectifier feeds a load of 200 2. The rectifier is fed from the line voltage (120 V rms, 60 Hz) through a transformer. The diodes available have 0.7-V drop when conducting. If the designer opts for the half-wave circuit: (a) Specify the rms voltage...
*4.57 Consider the voltage-regulator circuit shown in Fig. P4.57. The value of R is selected to...
*4.57 Consider the voltage-regulator circuit shown in Fig. P4.57. The value of R is selected to obtain an output voltage Vo (across the diode) of 0.7 V. Figure P4.57 (a) Use the diode small-signal model to show that the change in output voltage corresponding to a change of 1 V in Vt is AV AV: = v* +-0.7 V+ V++V, -0.7 This quantity is known as the line regulation and is usually expressed in mV/V. (b) Generalize the expression above...
3. Consider the full-wave bridge rectifier circuit shown below. The full-wave bridge is made using silicon...
3. Consider the full-wave bridge rectifier circuit shown below. The full-wave bridge is made using silicon diodes. 120V 15V 120 V(ms) n 60 Hz 752 Vout a. Find the maximum value of VoUT, and the voltage rating for the capacitor assuming a 50% margin of safety. b. Choose the capacitance of the filter capacitor for a peak-to-peak ripple of 1V, and determine the corresponding peak diode current. What is the frequency of the ripple voltage? c. Now suppose the filter...
20Ω 30 Ω j20Ω Fig. 1.7 In the circuit of Fig. 1.8, find the RMS phasor...
20Ω 30 Ω j20Ω Fig. 1.7 In the circuit of Fig. 1.8, find the RMS phasor voltage V so that the 60 Ω resistor absorbs an average power of 240 W. Hence, determine the complex power delivered to each component, the complex power and the power factor delivered by voltage source. Fig. 1.8 2) P1.8
9) The voltage V in the frequency-domain circuit shown in Fig. P10.18 is 240/0°V (rms) a)...
9) The voltage V in the frequency-domain circuit shown in Fig. P10.18 is 240/0°V (rms) a) Find the average and reactive power for the voltage source. average power? magnetizing vars? with each impedance branch in the circuit. absorbed average power. absorbed magnetizing vars. b) Is the voltage source absorbing or delivering c) Is the voltage source absorbing or delivering d) Find the average and reactive powers associated e) Check the balance between delivered and f) Check the balance between delivered...
In the circuit, the battery voltage is 12 V, the resistor has value 100 Ohm, the...
In the circuit, the battery voltage is 12 V, the resistor has value 100 Ohm, the diode turn-on voltage is 0.6 V, and the source is a 60-Hz sine with amplitude 24 V. Determine the fraction of the time (in %) that the diode is conducting ID US(t) = G) Vs sin ar ーVB
2. In the following circuit, v,-20 Vrms (rms value). a) Determine the value of capacitor needed to provide filtering so that the voltage does not drop below 26 V. The load resistance Rioad may va...
2. In the following circuit, v,-20 Vrms (rms value). a) Determine the value of capacitor needed to provide filtering so that the voltage does not drop below 26 V. The load resistance Rioad may vary from 1.5 k2 to 2.5 k2. Assume the diode is ideal (Vox -0 V). b) Sketch v, and the output Vour waveforms. c) The filter capacitor often represents a significant economic factor in terms of cost, size, and weight in the design of rectifier circuit....
Problem 3 (30 points): For the circuit in Fig. 3, te has an RMS value of 9.0 V and a frequency of 60 Hz. Assume that R--20 Ω and that 0.7 V for each diode. C R Figure 3: Circuit for Problem 3 1. Find the maximum value of V.. (10 points) 2. Find the value of C to guarante a ripple voltage of 0.25 V or less. (10 points) 3. For what fraction of the time is the diode...
4. The half-wave rectifier in Fig. P3.94 is operating with an input voltage, V = 10 sinat,at a frequency of 60 Hz and Von=1V. (25 points) C D Les = Figure P3.94 a. Draw the output voltage (Vo(t)) waveform. b. What is the minimum value of C required to maintain the ripple voltage to less than 0.25V if R=0.5 Q and the diode voltage drop is 1V? c. What is the PIV rating of the diode in this circuit? d....
2. Consider the full-wave rectifier circuit in below. The output resistance is R - 125 12, each diode cut-in voltage is V, -0.7 V, and the frequency of the input signal is 60 Hz. If a filter capacitor will be connected in parallel with R. The magnitude of the peak output voltage is to be 15 V and the ripple voltage is to be no more than 0.35 V. (a) Determine the rms value of vs and (b) the required...
D *4.80 It is required to use a peak rectifier to design a de power supply that provides an average de output voltage of 12 V on which a maximum of ±1-V ripple is allowed. The rectifier feeds a load of 200 2. The rectifier is fed from the line voltage (120 V rms, 60 Hz) through a transformer. The diodes available have 0.7-V drop when conducting. If the designer opts for the half-wave circuit: (a) Specify the rms voltage...
*4.57 Consider the voltage-regulator circuit shown in Fig. P4.57. The value of R is selected to obtain an output voltage Vo (across the diode) of 0.7 V. Figure P4.57 (a) Use the diode small-signal model to show that the change in output voltage corresponding to a change of 1 V in Vt is AV AV: = v* +-0.7 V+ V++V, -0.7 This quantity is known as the line regulation and is usually expressed in mV/V. (b) Generalize the expression above...
3. Consider the full-wave bridge rectifier circuit shown below. The full-wave bridge is made using silicon diodes. 120V 15V 120 V(ms) n 60 Hz 752 Vout a. Find the maximum value of VoUT, and the voltage rating for the capacitor assuming a 50% margin of safety. b. Choose the capacitance of the filter capacitor for a peak-to-peak ripple of 1V, and determine the corresponding peak diode current. What is the frequency of the ripple voltage? c. Now suppose the filter...
20Ω 30 Ω j20Ω Fig. 1.7 In the circuit of Fig. 1.8, find the RMS phasor voltage V so that the 60 Ω resistor absorbs an average power of 240 W. Hence, determine the complex power delivered to each component, the complex power and the power factor delivered by voltage source. Fig. 1.8 2) P1.8
9) The voltage V in the frequency-domain circuit shown in Fig. P10.18 is 240/0°V (rms) a) Find the average and reactive power for the voltage source. average power? magnetizing vars? with each impedance branch in the circuit. absorbed average power. absorbed magnetizing vars. b) Is the voltage source absorbing or delivering c) Is the voltage source absorbing or delivering d) Find the average and reactive powers associated e) Check the balance between delivered and f) Check the balance between delivered...
In the circuit, the battery voltage is 12 V, the resistor has value 100 Ohm, the diode turn-on voltage is 0.6 V, and the source is a 60-Hz sine with amplitude 24 V. Determine the fraction of the time (in %) that the diode is conducting ID US(t) = G) Vs sin ar ーVB
2. In the following circuit, v,-20 Vrms (rms value). a) Determine the value of capacitor needed to provide filtering so that the voltage does not drop below 26 V. The load resistance Rioad may vary from 1.5 k2 to 2.5 k2. Assume the diode is ideal (Vox -0 V). b) Sketch v, and the output Vour waveforms. c) The filter capacitor often represents a significant economic factor in terms of cost, size, and weight in the design of rectifier circuit....
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