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Problem 7 The output voltage of a voltage amplifier has been found to decrease by 40...
The output voltage of a voltage amplifier has been found to decrease by 40 % when a load resistance of 4 kΩ is connected. What is the value of the amplifier output resistance?
4. For the amplifier in the figure below use the parameters in the table: +Vcc Re VBE- 0.7V, Ri- 1002, R1-160k2, R2-320k2 R3-200k2, R6-40 k2, Rc-60k2, Vcc- 12V, Ry Do a) Draw the DC equivalent circuit and calculate the Q-point. c) Draw the AC equivalent circuit with the small signal model for the transistor. d) Calculate the voltage gain, Av-Vo/vi. Assume ro infinite. e) Draw the circuit to find the amplifier input resistance (Rin). Calculate Rin f Draw the circuit...
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...
Find the output voltage Vo as an expression in terms of the input sources Vi, v2, v3, and the resistance R in the following op-amp circuit. 3. Ri Vy R: 4. In the following two stage op-amp circuit, find the output voltage Vo as an expression in terms of the input voltages v1, v2 and resistor values R1, R2, R3, and R4. R2 R ウー+
Assuming an ideal op-amp in the following circuit, find output voltage, Vo if R1= 2 K2, R2=8 K12, R3=3.8 KS2, R4=6 KI2, R5=15 KS2, R6=3.8 KN, RL=9.8 K12, V1=1V, 12=0.5 mA and V3=2.2 V. } R6 R1 w R5 w + Vo + } RL 12 R2 V1 R3 R4 + +1 V3 Using the above circuit, but consider the following component values: R1= 2 KN R2=8 K2, R3=4.1 K12, R4=6 KI2, R5=17.0 K12, R6=15 KI, RL=10 KI, V1=1V, 12=0.5mA...
Assuming an ideal op-amp in the following circuit, find output voltage, Vo if R1= 2 K12, R2=8 KN, R3=3.9 KN, R4=6 KN, R5=18 K2, R6=4.4 KN, RL=12.5 KN, V1=1V, 12=0.5 mA and V3=3.4 V. R6 R1 R5 Vo + + RL R2 V1 R3 R4 + V3 Answer: LOV Using the above circuit, but consider the following component values: R1= 2 KO2 R2=8 K12, R3=3.6 K12, R4=6 K12, R5=16.9 KN, R6=15 KN, RL=10 KO, V1=1V, 12=0.5mA and V3=2V. What is...
Assuming an ideal op-amp in the following circuit, find output voltage, Vo if R1= 2 K2, R2=8 K2, R3=5.1 K2, R4=6 KN, R5=14 KN, R6=4.2 KS, RL=10.3 KS, V1=1V, 12=0.5 mA and V3=3.2 V. R6 R1 R5 Vo w + * RL + 12 R2 V1 R3 R4 V3 Answer: OV Using the above circuit, but consider the following component values: R1= 2 K12 R2=8 K2, R3=2.9 K2, R4=6 KI2, R5=10.8 K92, R6=15 KO, RL=10 K2, V1=1V, 12=0.5mA and V3=2V....
Please answer clearly Question 2 The amplifier shown in Figure 2 has the following parameters: Kn(W/L)-1 mA/V2, V-1 V Determine a) Voltage gain (Vo/vi) b) Input resistance (R) c) Output resistance (Ro) d) Maximum output voltage swing so as the amplifier stays in saturation mode. Assume VDD-20 V, R1-2.5 ΚΩ, R2-1KQ, R3-0.5 ΚΩ, R4-5 MQ, R5_1ΜΩ. R4 R1 R5 R2 Ro R3 Question 2 The amplifier shown in Figure 2 has the following parameters: Kn(W/L)-1 mA/V2, V-1 V Determine a)...
6. Find Vi in the following circuit if VR2 3 V, I -2 A, RI 100 , and R2 50 . Ry VR R.y 7. What is the output voltage (Vo) of the summing op-amp below? 1000 kn 200 k2 50 k2 +5 V 100 k2 -5 V V. out 8. For the operational amplifier circuit depicted below: a. Determine Vout in terms of the resistors: Ri, R2, R3, R4 and I R1 qut R- (current source) for the operational...
please write neatly 1. The amplifier in Figure 1 has a voltage gain of A 200. input resistance Ri 50ks2, and output resistance Ro-5000. Find the values of R, R3, C, and L so that the oscillation frequency is Amplifier R AV (a) Voltage-controlled voltage source Figure 1 1. The amplifier in Figure 1 has a voltage gain of A 200. input resistance Ri 50ks2, and output resistance Ro-5000. Find the values of R, R3, C, and L so that...