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Q1. The values of the difference amplifier in figure 1 are Ap - 5 x 105,...
Q1. The values of the difference amplifier in figure 1 are Ao 5x 105, Rı =...
Q1. The values of the difference amplifier in figure 1 are Ao 5x 105, Rı = 5kQ, RF = 50M, Ra-2kQ, and Rx-20kS2. The input voltages are vb-5mV and Va--15mV. Find the out voltage vo. (5 Points) RF R1 Figure 1 Q2. Design an integrator as shown in figure 2 to be operated with an AC signal of 5 kHz and to give a closed loop voltage gain of Af-10 at w=1 rad/s. (5 Points) iRF RI 79 +Vcc 2...
(a) State the properties of an ideal opamp. Give one reason why the assumption that an opamp is ideal is useful when calculating the behaviour of circuits containing opamps? [3] (b) Figure Q3 shows t...
(a) State the properties of an ideal opamp. Give one reason why
the assumption that an opamp is ideal is useful when calculating
the behaviour of circuits containing opamps? [3]
(b) Figure Q3 shows the circuit diagram of an amplifier
constructed using an ideal opamp. State the value of the voltage v–
appearing at the inverting input of the opamp. Clearly state what
properties of an ideal opamp you are assuming. [2]
(c) Hence calculate the currents flowing through the...
100 1.5 0.27 5. 6 Pl. Consider the CB amplifier of Figure 1, for which Vcc-15...
100 1.5 0.27 5. 6 Pl. Consider the CB amplifier of Figure 1, for which Vcc-15 V, Rs-50 Ω, and RL-10 kQ. For the BJT, assume that B150, VBE.on0.7 V, and VcE,sat 0.3 V, and ignore the Early effect. For the other resistances, however, assume the same values as those you used for the Common-Emitter (CE) amplifier lab (disregard the value for RE2, as the resistor does not exist in the CB amplifier of Figure 1). Therefore, copy the same...
QUESTION4 Total 24 Marks] For the amplifier circuit shown in Figure 4, assume the input signal...
QUESTION4 Total 24 Marks] For the amplifier circuit shown in Figure 4, assume the input signal V has zero DC component. Assume both transistors have p-100. (a) State the type of feedback topology used in the amplifier circuit and which type of 12 marks] amplifier is shown in the figure. (b Determine the DC voltages at all nodes of transistors Q1 and Q2. and the DC currents 18 marks] at the emitters of transistors Q1 and Q2 (c) Use the...
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. The amplifier in Figure 1 has a voltage gain of A 200. input resistance Ri 50ks2, and output r...
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...
Laboratory 1: operation amplifier characteristics A. Objectives: 1. To study the basic characteri...
thanks
Laboratory 1: operation amplifier characteristics A. Objectives: 1. To study the basic characteristics of an operational amplifier 2. To study the bias circuit of an operational amplifier B. Apparatus: 1. DC Power supply 2. Experimental board and corresponding components 3. Electronic calculator (prepared by students) 4. Digital camera (prepared by students for photo taking of the experimental results) 5. Laptop computer with the software PicoScope 6 and Microsoft Word installed. 6. PicoScope PC Oscilloscope and its accessories. 7. Multimeter...
A four-resistor circuit is shown in the figure. The values of the resistors are as follows:...
A four-resistor circuit is shown in the figure. The values of the resistors are as follows: Ri=10 Ohms, Rz=R3=6 Ohms, R4=2 Ohms. What is the equivalent resistance Reg for this circuit? R M R3 R3 R3 > O 0.50 ohms O 2.00 ohms 0 3.33 ohms 0 5.25 ohms o 7.50 ohms Question 8 5 pts The circuit shown in the figure below contains three resistors (R1, R2, and R3) and three batteries (VA. VB, and Vc). The resistor values...
Item 1 Design a difference amplifier shown in the following figure to meet the following criteria:...
Item 1 Design a difference amplifier shown in the following figure to meet the following criteria: v. = 3up - 4va The resistance seen by the signal source Ub is 480 k 22, and the resistance seen by the signal source va is 22.5 k 2 when the output voltage v, is zero (Figure 1) Specify the value of Rc. Express your answer with the appropriate units. HÅ w ? Rc = Value Units Submit Request Answer Figure < 1...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And w...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
Q1. The values of the difference amplifier in figure 1 are Ao 5x 105, Rı = 5kQ, RF = 50M, Ra-2kQ, and Rx-20kS2. The input voltages are vb-5mV and Va--15mV. Find the out voltage vo. (5 Points) RF R1 Figure 1 Q2. Design an integrator as shown in figure 2 to be operated with an AC signal of 5 kHz and to give a closed loop voltage gain of Af-10 at w=1 rad/s. (5 Points) iRF RI 79 +Vcc 2...
(a) State the properties of an ideal opamp. Give one reason why
the assumption that an opamp is ideal is useful when calculating
the behaviour of circuits containing opamps? [3]
(b) Figure Q3 shows the circuit diagram of an amplifier
constructed using an ideal opamp. State the value of the voltage v–
appearing at the inverting input of the opamp. Clearly state what
properties of an ideal opamp you are assuming. [2]
(c) Hence calculate the currents flowing through the...
100 1.5 0.27 5. 6 Pl. Consider the CB amplifier of Figure 1, for which Vcc-15 V, Rs-50 Ω, and RL-10 kQ. For the BJT, assume that B150, VBE.on0.7 V, and VcE,sat 0.3 V, and ignore the Early effect. For the other resistances, however, assume the same values as those you used for the Common-Emitter (CE) amplifier lab (disregard the value for RE2, as the resistor does not exist in the CB amplifier of Figure 1). Therefore, copy the same...
QUESTION4 Total 24 Marks] For the amplifier circuit shown in Figure 4, assume the input signal V has zero DC component. Assume both transistors have p-100. (a) State the type of feedback topology used in the amplifier circuit and which type of 12 marks] amplifier is shown in the figure. (b Determine the DC voltages at all nodes of transistors Q1 and Q2. and the DC currents 18 marks] at the emitters of transistors Q1 and Q2 (c) Use the...
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...
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...
thanks
Laboratory 1: operation amplifier characteristics A. Objectives: 1. To study the basic characteristics of an operational amplifier 2. To study the bias circuit of an operational amplifier B. Apparatus: 1. DC Power supply 2. Experimental board and corresponding components 3. Electronic calculator (prepared by students) 4. Digital camera (prepared by students for photo taking of the experimental results) 5. Laptop computer with the software PicoScope 6 and Microsoft Word installed. 6. PicoScope PC Oscilloscope and its accessories. 7. Multimeter...
A four-resistor circuit is shown in the figure. The values of the resistors are as follows: Ri=10 Ohms, Rz=R3=6 Ohms, R4=2 Ohms. What is the equivalent resistance Reg for this circuit? R M R3 R3 R3 > O 0.50 ohms O 2.00 ohms 0 3.33 ohms 0 5.25 ohms o 7.50 ohms Question 8 5 pts The circuit shown in the figure below contains three resistors (R1, R2, and R3) and three batteries (VA. VB, and Vc). The resistor values...
Item 1 Design a difference amplifier shown in the following figure to meet the following criteria: v. = 3up - 4va The resistance seen by the signal source Ub is 480 k 22, and the resistance seen by the signal source va is 22.5 k 2 when the output voltage v, is zero (Figure 1) Specify the value of Rc. Express your answer with the appropriate units. HÅ w ? Rc = Value Units Submit Request Answer Figure < 1...
Q1. For the cascade amplifier circuit shown in Fig (1): a) What are the functions of the capacitors C, C2 and C3? And what are the functions of the capacitors Cs and CE? b) What are the functions of the resistors RD and Rc? c) Draw the DC biasing circuits for each stage. d) Find loa, VGsa, VDs and gm for the JFET stage (you may use either mathematical or graphical methods) e) Calculate l, Ic, le and Ve for...
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