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Question 3 (10 marks) Calculate the input power , the output power and the efficiency of the amplifier circuit shown in Fig.(3) for an input voltage that results in a base current of 10 mA peak t...
Question 3 (10 marks) Calculate the input power , the output power and the efficiency of...
Question 3 (10 marks) Calculate the input power , the output power and the efficiency of the amplifier circuit shown in Fig.(3) for an input voltage that results in a base current of 10 mA peak to peak. ㄟˇㄟ Fig. (3) 25
u must show an expression (equation) before inserting in the numbers" β-40. The input signal results in a base 1. For the class A amplifier circuit of fig. Pl, current having a peak valu...
u must show an expression (equation) before inserting in the numbers" β-40. The input signal results in a base 1. For the class A amplifier circuit of fig. Pl, current having a peak value of 5 mA. Determine: (a) The input power (P(d) and output power (Pofac). (b) The power loss (Ploss) and the efficiency (7) of this amplifier. 15 Vcc (18 V) Re-16 Ω 1.2 k2 Ci 100 pF Fig. PI
u must show an expression (equation) before inserting...
For the class A amplifier circuit of fig. P1, β-40. The input signal results in a...
For the class A amplifier circuit of fig. P1, β-40. The input signal results in a base current having a peak value of 5 mA. Determine: (a) The input power (Plac) and output power (Po(ac) (b) The power loss (Pam) and the efficiency (η) of this amplifier. 1. 15
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...
3- For amplifier circuit shown in figure. If the input voltage, Vin = 20 mV peak-peak,...
3- For amplifier circuit shown in figure. If the input voltage, Vin = 20 mV peak-peak, what is the output voltage? A. 176 mV P-p B. 88mV p-p C. 48mVp-p D. 24 mVp-p JO-2.0 ms 1 loss 10 m 0.1 F > 100 M Page 3/8
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...
c) In estimating DC imperfections (input offset voltage, input offset current and the inverting amplifier with...
c) In estimating DC imperfections (input offset voltage, input offset current and the inverting amplifier with nominal gain of -100 using 1 current) of an op-map, an and 10MQ resistors is implemented using the op-amp as shown in Fig 2(a) below R2 10MQ R 100k Vi Vo Figure 2(a): Inverting amplifier Measurements are conducted on the output voltage of the inverting amplifier under the following conditions: (i) the input (V) is open circuited and the output voltage is found to...
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...
%) For the circuit as shown in the following figure, use the given output characteristics of the ...
%) For the circuit as shown in the following figure, use the given output characteristics of the power transistor and assume that /so is 8mA and the input ac signal results in a Ib) of 2mA (peak value) to b(ac) 1) Calculate Ico and the DC input power provided by the DC supply 2) Calulate Icw-pot , the ac output power delivered to the primary side of the transformer and power efficiency n 3) Calculate the ac output power delevered...
A class-C amplifier has a base bias voltage of -5V and Vcc = 30V. It is...
A class-C amplifier has a base bias voltage of -5V and Vcc = 30V. It is determined that a peak input voltage of 9.8V at 1MHz is required to drive the transistor to its saturation current of 1.8A. 1. Find the conduction Angle 2. Find the output power at 1MHz 3. Find the efficiency 4. If an LC tank having C = 200 PF is connected in the collector circuit. Find the inductance necessary to tune the amplifier.
Question 3 (10 marks) Calculate the input power , the output power and the efficiency of the amplifier circuit shown in Fig.(3) for an input voltage that results in a base current of 10 mA peak to peak. ㄟˇㄟ Fig. (3) 25
u must show an expression (equation) before inserting in the numbers" β-40. The input signal results in a base 1. For the class A amplifier circuit of fig. Pl, current having a peak value of 5 mA. Determine: (a) The input power (P(d) and output power (Pofac). (b) The power loss (Ploss) and the efficiency (7) of this amplifier. 15 Vcc (18 V) Re-16 Ω 1.2 k2 Ci 100 pF Fig. PI
u must show an expression (equation) before inserting...
For the class A amplifier circuit of fig. P1, β-40. The input signal results in a base current having a peak value of 5 mA. Determine: (a) The input power (Plac) and output power (Po(ac) (b) The power loss (Pam) and the efficiency (η) of this amplifier. 1. 15
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...
3- For amplifier circuit shown in figure. If the input voltage, Vin = 20 mV peak-peak, what is the output voltage? A. 176 mV P-p B. 88mV p-p C. 48mVp-p D. 24 mVp-p JO-2.0 ms 1 loss 10 m 0.1 F > 100 M Page 3/8
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...
c) In estimating DC imperfections (input offset voltage, input offset current and the inverting amplifier with nominal gain of -100 using 1 current) of an op-map, an and 10MQ resistors is implemented using the op-amp as shown in Fig 2(a) below R2 10MQ R 100k Vi Vo Figure 2(a): Inverting amplifier Measurements are conducted on the output voltage of the inverting amplifier under the following conditions: (i) the input (V) is open circuited and the output voltage is found to...
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...
%) For the circuit as shown in the following figure, use the given output characteristics of the power transistor and assume that /so is 8mA and the input ac signal results in a Ib) of 2mA (peak value) to b(ac) 1) Calculate Ico and the DC input power provided by the DC supply 2) Calulate Icw-pot , the ac output power delivered to the primary side of the transformer and power efficiency n 3) Calculate the ac output power delevered...
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