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10 points 7. For the circuit in problem 6, what is the -3db bandwidth of the...
Problem # 3 For the summing opamp circuit, assume that the opamp is powered with +15V and-15V. Th...
Problem # 3 For the summing opamp circuit, assume that the opamp is powered with +15V and-15V. The input voltages are VI and V2 and the output voltage is Vout. Rf 15 V U1 R1 R2 Vout 741 V2 (A -15 V 1. Find the relation between the output Vout and the inputs VI and V2 2. Assume that RI-2kS2, R2-3 ㏀ and Rf-6kS2, Vin is a sinewave with viinpp-2V, V2DC- IV, plot Vin() and Vout(0) 3. Assume that you...
For the circuit shown, VIN 2 mV RI R3-60 k2, R2-R 60 k2, VDDP 12 V...
For the circuit shown, VIN 2 mV RI R3-60 k2, R2-R 60 k2, VDDP 12 V and VDDN 12 V and the OPAMP is ideal and you notice there is negative feedback. VOUT R1 R2 R3 R4 iR11 (R2) iR1) fR21 - IN V3 (VIN) The relative tolerance for this problem is 1 % Get help: Written Example License Question 1. Points possible: 10 Unlimited attempts For the circuit shown. negative feedback. Vr.-2 mV RI-R3-2 kQ. R2_R4-120 kQ. VDDp-12 V...
Problem 2 Consider the feedback amplifier circuit on Figure P2. The DC current gain of transistor Q3 is -100 1. What type of feedback (or what feedback topology) do we have on the circuit in Figure P...
Problem 2 Consider the feedback amplifier circuit on Figure P2. The DC current gain of transistor Q3 is -100 1. What type of feedback (or what feedback topology) do we have on the circuit in Figure P2? 2. Draw the A-circuit. Express and compute the open-loop voltage gain A at mid-band frequency 3, Draw the γ-circuit. Express and compute the feedback factor γ 4. Express and compute the overall gain of the feedback amplifier Ap Express and compute the input...
35 point problem 7. An OpAmp has the following open loop gain: AS) where - 4...
35 point problem 7. An OpAmp has the following open loop gain: AS) where - 4 Hz, and A, -10 5 points a.) What is the absolute low frequency open-loop gain of the OpAmp? 5 points b.) What is the low frequency open-loop gain of the OpAmp in dB? 5 points c.) What is the -3dB frequency of the open-loop Op Amp? 5 points d.) What is the gain-bandwidth product of this OpAmp? 5 points e.) What is the maximum...
Problem #5 [10 points]: Design a circuit with the following criteria. Assume existence of +5V pow...
Problem #5 [10 points]: Design a circuit with the following criteria. Assume existence of +5V power supply. Draw your circuit and show your work. i. Input signal that operates between Vin -5V- +5V, and capable of sourcing or sinking 500 x 10^-6 A. ii. Output signal nominally outputs between Vout 0V 5V, and capable of sinking 1 mA from an external device with an output no more than 0.1 V
Problem #5 [10 points]: Design a circuit with the following...
T5.1 Can someone please walk me through this? 1. An op-amp circuit is shown below. It...
T5.1
Can someone please walk me through this?
1. An op-amp circuit is shown below. It has open-loop parameters rjn = 1MQ, rout = 1002, AQ 10 and is connected as a non-inverting amplifier with Ri=10k2 and R2 50k What kind of feedback topology does this represent? Find the closed-loop parameters Rin, Rout, and Af + rin rout Vout Vin Vs AoVin R2 W R1 Answer: Series-Shunt Feedback R R1//R2 8.3kQ R22 = Ri + R2 = 60k2 AR2lin =99x103...
6. Negative feedback calculation Assumption: You may assume that A is 0 (a) (1 point) Identify...
6. Negative feedback calculation Assumption: You may assume that A is 0 (a) (1 point) Identify the feedback circuit by drawing a box around it. (b) (1 point) Identify the feedforward amplifier. (c) (1 point) What variable is being sensed at the input of the feedback circuit? (d) (1 point) What variable is being returned at the output of the feedback circuit? (e) (2 points) Compute Rimopens the input resistance of the feedfoward amplifier. (2 points) Compute Rout open, the...
VW 400 50 10 R2 VO CS 20pF vin The circuit above shows an opamp used...
VW 400 50 10 R2 VO CS 20pF vin The circuit above shows an opamp used in a non-inverting configuration. The plot above it shows the open-loop gain magnitude (solid line) and phase (dotted line) of the opamp. The opamp has 20pF of parasitic capacitance at its negative input due to cabling and bad PCB layout. a) Derive an expression for the frequency-dependent feedback parameter B(w) for this amplifier. b) What is the closed-loop gain of this amplifier at frequencies...
(5 points) You are given a circuit with the following transfer 5jw function, H(jw) = (jw+2)(0.2.jw+1)...
(5 points) You are given a circuit with the following transfer 5jw function, H(jw) = (jw+2)(0.2.jw+1) Vout (t) = 9sin(t + 6.10865)V (the angle is in radians), determine: Vin (t) = V help (formulas)
3. Analog CKT: Use the following circuit to answer questions from a) to c). (15 points)...
3. Analog CKT: Use the following circuit to answer questions from a) to c). (15 points) Vin Vout a) Deal with the circuit below (a) When Vin is positive and the diodes are assumed to be ideal (no drop), Vout is equal to (a)-Vin (b) 0 (c) Vin (d) Vin/ 2 (e)-Vin/ 2 b) If Vin is 5 V and the diodes are assumed to be ideal (no drop), the voltage across the top diode is (a) 0 (b) 2.5...
Problem # 3 For the summing opamp circuit, assume that the opamp is powered with +15V and-15V. The input voltages are VI and V2 and the output voltage is Vout. Rf 15 V U1 R1 R2 Vout 741 V2 (A -15 V 1. Find the relation between the output Vout and the inputs VI and V2 2. Assume that RI-2kS2, R2-3 ㏀ and Rf-6kS2, Vin is a sinewave with viinpp-2V, V2DC- IV, plot Vin() and Vout(0) 3. Assume that you...
For the circuit shown, VIN 2 mV RI R3-60 k2, R2-R 60 k2, VDDP 12 V and VDDN 12 V and the OPAMP is ideal and you notice there is negative feedback. VOUT R1 R2 R3 R4 iR11 (R2) iR1) fR21 - IN V3 (VIN) The relative tolerance for this problem is 1 % Get help: Written Example License Question 1. Points possible: 10 Unlimited attempts For the circuit shown. negative feedback. Vr.-2 mV RI-R3-2 kQ. R2_R4-120 kQ. VDDp-12 V...
Problem 2 Consider the feedback amplifier circuit on Figure P2. The DC current gain of transistor Q3 is -100 1. What type of feedback (or what feedback topology) do we have on the circuit in Figure P2? 2. Draw the A-circuit. Express and compute the open-loop voltage gain A at mid-band frequency 3, Draw the γ-circuit. Express and compute the feedback factor γ 4. Express and compute the overall gain of the feedback amplifier Ap Express and compute the input...
35 point problem 7. An OpAmp has the following open loop gain: AS) where - 4 Hz, and A, -10 5 points a.) What is the absolute low frequency open-loop gain of the OpAmp? 5 points b.) What is the low frequency open-loop gain of the OpAmp in dB? 5 points c.) What is the -3dB frequency of the open-loop Op Amp? 5 points d.) What is the gain-bandwidth product of this OpAmp? 5 points e.) What is the maximum...
Problem #5 [10 points]: Design a circuit with the following criteria. Assume existence of +5V power supply. Draw your circuit and show your work. i. Input signal that operates between Vin -5V- +5V, and capable of sourcing or sinking 500 x 10^-6 A. ii. Output signal nominally outputs between Vout 0V 5V, and capable of sinking 1 mA from an external device with an output no more than 0.1 V
Problem #5 [10 points]: Design a circuit with the following...
T5.1
Can someone please walk me through this?
1. An op-amp circuit is shown below. It has open-loop parameters rjn = 1MQ, rout = 1002, AQ 10 and is connected as a non-inverting amplifier with Ri=10k2 and R2 50k What kind of feedback topology does this represent? Find the closed-loop parameters Rin, Rout, and Af + rin rout Vout Vin Vs AoVin R2 W R1 Answer: Series-Shunt Feedback R R1//R2 8.3kQ R22 = Ri + R2 = 60k2 AR2lin =99x103...
6. Negative feedback calculation Assumption: You may assume that A is 0 (a) (1 point) Identify the feedback circuit by drawing a box around it. (b) (1 point) Identify the feedforward amplifier. (c) (1 point) What variable is being sensed at the input of the feedback circuit? (d) (1 point) What variable is being returned at the output of the feedback circuit? (e) (2 points) Compute Rimopens the input resistance of the feedfoward amplifier. (2 points) Compute Rout open, the...
VW 400 50 10 R2 VO CS 20pF vin The circuit above shows an opamp used in a non-inverting configuration. The plot above it shows the open-loop gain magnitude (solid line) and phase (dotted line) of the opamp. The opamp has 20pF of parasitic capacitance at its negative input due to cabling and bad PCB layout. a) Derive an expression for the frequency-dependent feedback parameter B(w) for this amplifier. b) What is the closed-loop gain of this amplifier at frequencies...
(5 points) You are given a circuit with the following transfer 5jw function, H(jw) = (jw+2)(0.2.jw+1) Vout (t) = 9sin(t + 6.10865)V (the angle is in radians), determine: Vin (t) = V help (formulas)
3. Analog CKT: Use the following circuit to answer questions from a) to c). (15 points) Vin Vout a) Deal with the circuit below (a) When Vin is positive and the diodes are assumed to be ideal (no drop), Vout is equal to (a)-Vin (b) 0 (c) Vin (d) Vin/ 2 (e)-Vin/ 2 b) If Vin is 5 V and the diodes are assumed to be ideal (no drop), the voltage across the top diode is (a) 0 (b) 2.5...
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