An amplifier operating from ±5 V supplies provides a 3 V peak sine wave across a...
An amplifier operating from ±5 V supplies provides a 3 V peak sine wave across a 30 Ω load when provided with a 20 mV peak input from which 20 μA peak is drawn. The average current in each supply is measured to be 50 mA. Find the voltage gain, current gain, and power gain expressed as ratios, and the amplifier efficiency.
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An amplifier operating from ±5 V supplies provides a 3 V peak
sine wave across a...
Q2: An amplifier operating from t 15-V power supplies is fed with a sinusoidal voltage having 1 V peak and delivers a s...
Q2: An amplifier operating from t 15-V power supplies is fed with a sinusoidal voltage having 1 V peak and delivers a sinusoidal voltage output of 12 V peak to a 1-kΩ load. The amplifier draws a current of 6.5 mA from each of its two power supplies. The input current of the amplifier is found to be sinusoidal with 0.1 mA peak. Find (a) the voltage gain, (b) the current gain, (c) the power gain, (d) the power drawn...
A 1V peak input sine wave is amplified to 9V peak across a 1kW load. The...
A 1V peak input sine wave is amplified to 9V peak across a 1kW load. The input current of the amplifier is a sine wave of 0.1 mA peak. The amplifier draws 9.5 mA from each of its +/- 10 V DC power supplies. Find h, the efficiency of the amplifier.
1. An amplifier has a voltage gain Av equal to 20. An input voltage v of...
1. An amplifier has a voltage gain Av equal to 20. An input voltage v of 150 mVs applied to the input of the amplifier. What is the output voltage vo? Rs 2. For the amplifier in Problem 3, assume the input current i is 2 mA, and the output current io is 10 mA. What is the current gain A, ? Assuming the amplifier as described above has an output resistance is 0 ohms, what is the load resistance...
(5pts) 11. A 0.5V peak-to-peak 1kHz sine wave with a 100mV DC offset is provided as...
(5pts) 11. A 0.5V peak-to-peak 1kHz sine wave with a 100mV DC offset is provided as the input into a non- inverting operational amplifier with a gain of 20. If the output of the op-amp is read using an oscilloscope with AC coupling, then the value is close to a. 2V DC b. 2V peak-to-peak 1kHz sine wave c. 10V peak-to-peak 1kHz sine wave with 2V DC offset d. 10V peak-to-peak 1kHz sine wave only (5pts) 12. Which of the...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os,...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os, is so large it may be neglected. 0) Calculate the open circuit voltage gain Av Yout/ Vis. i) The amplifier has a load of 10 k2. Determine the current gain Va. = 12 V 150k 4k3 Vout Vin 200k GND = 0 V Figure 4b a) State the name...
For the emitter follower of Fig. 12.2. let Vcc-10 V, 1-1 00 mA, and R.-100 Ω. If the output volta...
For the emitter follower of Fig. 12.2. let Vcc-10 V, 1-1 00 mA, and R.-100 Ω. If the output voltage is an 8-V-peak sinusoid, find the following: (a) the power delivered to the load; (b) the average power drawn from the supplies: (c) the power-conversion efficiency. Ignore the loss in Qs and R 0 URE 02
For the emitter follower of Fig. 12.2. let Vcc-10 V, 1-1 00 mA, and R.-100 Ω. If the output voltage is an 8-V-peak sinusoid,...
Given taple 3,please solve for part(d)-part(f) hange the mode on the signal generator to sine-wave, with a peak-to-peak amplitude of eak-to-peak amplitude of the voltage across the capacitor for...
Given taple 3,please solve for part(d)-part(f)
hange the mode on the signal generator to sine-wave, with a peak-to-peak amplitude of eak-to-peak amplitude of the voltage across the capacitor for various frequencies (100, 4 500, 2000, and 5000 Hz), and complete Table 3, (0.4%) Table 3 Frequency (in Hertz) 100 400 800 1000 1500 2000 5000 Vc (peak-to-peak) ange the mode on the signal generator to sine-wave, with a peak-to-peak amplitude of 2V. Measure the 1500, 2000, and 5000 Hz), and...
QUESTION 5 (15 points) a. You have a power supply which is a full-wave rectifier with a capacitor filter. It operates f...
QUESTION 5 (15 points) a. You have a power supply which is a full-wave rectifier with a capacitor filter. It operates from the mains and provides an output of Voc-20 V with 20% ripple, when the load current is 2 A Calculate the maximum and minimum values of the output waveform of this power supply. b. Now you will design a series voltage regulator between the power supply described in part (a) and an electronic device operating at 12 VDC...
A resistor and an inductor are connected in series with a variable frequency sine wave generator....
A resistor and an inductor are connected in series with a variable frequency sine wave generator. The peak voltage of the power source is 10.0 V. The frequency is set such that the resistor and the inductor have equal peak voltages. What is the peak voltage across the resistor? What phase angle separates the current from the source voltage? Also indicate whether it is the current or the source voltage that leads. a. b. ViVa ㄟ
QUESTION 12 To improve the efficiency of an amplifier, you have to a reduce load power...
QUESTION 12 To improve the efficiency of an amplifier, you have to a reduce load power b. increase supply current OC. reduce supply voltage od decrease unwanted power losses QUESTION 13 If the output of a transistor amplifier is 5 V rms and the input is 100 mVrms the voltage gain is O as w 6.500 O c 50 d. 100 QUESTION 14 If the DC current gain of a certain transistor operating in the linear region is 30 and...
Q2: An amplifier operating from t 15-V power supplies is fed with a sinusoidal voltage having 1 V peak and delivers a sinusoidal voltage output of 12 V peak to a 1-kΩ load. The amplifier draws a current of 6.5 mA from each of its two power supplies. The input current of the amplifier is found to be sinusoidal with 0.1 mA peak. Find (a) the voltage gain, (b) the current gain, (c) the power gain, (d) the power drawn...
1. An amplifier has a voltage gain Av equal to 20. An input voltage v of 150 mVs applied to the input of the amplifier. What is the output voltage vo? Rs 2. For the amplifier in Problem 3, assume the input current i is 2 mA, and the output current io is 10 mA. What is the current gain A, ? Assuming the amplifier as described above has an output resistance is 0 ohms, what is the load resistance...
(5pts) 11. A 0.5V peak-to-peak 1kHz sine wave with a 100mV DC offset is provided as the input into a non- inverting operational amplifier with a gain of 20. If the output of the op-amp is read using an oscilloscope with AC coupling, then the value is close to a. 2V DC b. 2V peak-to-peak 1kHz sine wave c. 10V peak-to-peak 1kHz sine wave with 2V DC offset d. 10V peak-to-peak 1kHz sine wave only (5pts) 12. Which of the...
A common source amplifier circuit based on a single n-channel MOSFET is shown in Figure 4b. Assume that the transconductance gm-60 mS (equivalent to mA/ V) and drain source resistance, os, is so large it may be neglected. 0) Calculate the open circuit voltage gain Av Yout/ Vis. i) The amplifier has a load of 10 k2. Determine the current gain Va. = 12 V 150k 4k3 Vout Vin 200k GND = 0 V Figure 4b a) State the name...
For the emitter follower of Fig. 12.2. let Vcc-10 V, 1-1 00 mA, and R.-100 Ω. If the output voltage is an 8-V-peak sinusoid, find the following: (a) the power delivered to the load; (b) the average power drawn from the supplies: (c) the power-conversion efficiency. Ignore the loss in Qs and R 0 URE 02
For the emitter follower of Fig. 12.2. let Vcc-10 V, 1-1 00 mA, and R.-100 Ω. If the output voltage is an 8-V-peak sinusoid,...
Given taple 3,please solve for part(d)-part(f)
hange the mode on the signal generator to sine-wave, with a peak-to-peak amplitude of eak-to-peak amplitude of the voltage across the capacitor for various frequencies (100, 4 500, 2000, and 5000 Hz), and complete Table 3, (0.4%) Table 3 Frequency (in Hertz) 100 400 800 1000 1500 2000 5000 Vc (peak-to-peak) ange the mode on the signal generator to sine-wave, with a peak-to-peak amplitude of 2V. Measure the 1500, 2000, and 5000 Hz), and...
QUESTION 5 (15 points) a. You have a power supply which is a full-wave rectifier with a capacitor filter. It operates from the mains and provides an output of Voc-20 V with 20% ripple, when the load current is 2 A Calculate the maximum and minimum values of the output waveform of this power supply. b. Now you will design a series voltage regulator between the power supply described in part (a) and an electronic device operating at 12 VDC...
A resistor and an inductor are connected in series with a variable frequency sine wave generator. The peak voltage of the power source is 10.0 V. The frequency is set such that the resistor and the inductor have equal peak voltages. What is the peak voltage across the resistor? What phase angle separates the current from the source voltage? Also indicate whether it is the current or the source voltage that leads. a. b. ViVa ㄟ
QUESTION 12 To improve the efficiency of an amplifier, you have to a reduce load power b. increase supply current OC. reduce supply voltage od decrease unwanted power losses QUESTION 13 If the output of a transistor amplifier is 5 V rms and the input is 100 mVrms the voltage gain is O as w 6.500 O c 50 d. 100 QUESTION 14 If the DC current gain of a certain transistor operating in the linear region is 30 and...
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