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An amplifier is characterised by a 3 pole transfer function of the form where Ao - 100,000, f1( 1...
Sketch the Bode plots for a stable three-pole amplifier with dc gain 10^5 whose poles have magnit...
Sketch the Bode plots for a stable three-pole amplifier with dc
gain 10^5 whose poles have magnitudes 0.1 MHz, 1 MHz and 10 MHz.
Find the gain margin and phase margin of the amplifier if it is
connected in a feedback loop with (a) unity feedback factor; (b)
feedback factor 5.623 x 10^-5; (c) closed-loop dc gain 50 dB. In
each case indicate whether the closed-loop amplifier is stable or
unstable. What is the minimum stable closed-loop dc gain of...
Question 2 (10 marks) Consider the following three-pole feedback amplifier feedack amplifier with a loop gain func with a loop gain function 5432 T(ir)- 3x10 4x10 If -38.66x10 determine the phase...
Question 2 (10 marks) Consider the following three-pole feedback amplifier feedack amplifier with a loop gain func with a loop gain function 5432 T(ir)- 3x10 4x10 If -38.66x10 determine the phase margin and the gairn margin of this system (if it is stable)
Question 2 (10 marks) Consider the following three-pole feedback amplifier feedack amplifier with a loop gain func with a loop gain function 5432 T(ir)- 3x10 4x10 If -38.66x10 determine the phase margin and the gairn margin of...
Op-Amp Circuit Stability Although op-amps behave as single-pole amplifiers which are "uncondition...
Op-Amp Circuit Stability Although op-amps behave as single-pole amplifiers which are "unconditionally stable," it's still possible to make unstable amplifiers if you don't know what you're doing. The most famous example of this is the voltage differentiator 1. Consider the following circuit: a. Find the expression for this amplifier's ideal gain Aco (s), assuming the op-amp is ideal (a(s) - o. Hint: It's just an inverting amplifier with z and z2 R (5pts) b. Suppose the gain-setting components have values...
Question 2 (10 marks) Consider the following three-pole feedback amplifier with a loop gain function: 5432xB Tlir)- 2x101+ 4 x 105 If -38.66x10" determine the phase margin and the gain margin...
Question 2 (10 marks) Consider the following three-pole feedback amplifier with a loop gain function: 5432xB Tlir)- 2x101+ 4 x 105 If -38.66x10" determine the phase margin and the gain margin of this system (if it is stable).
Question 2 (10 marks) Consider the following three-pole feedback amplifier with a loop gain function: 5432xB Tlir)- 2x101+ 4 x 105 If -38.66x10" determine the phase margin and the gain margin of this system (if it is stable).
A unity gain negative feedback system has an open-loop transfer function given by 4. s) =...
A unity gain negative feedback system has an open-loop transfer function given by 4. s) = s(1 + 10s)(1 + 10s)? Draw a Bode diagram for this system and determine the loop gain K required for a phase margin of 20 deg. What is the gain margin? 5. We are given the closed-loop transfer function 10(s + 1) T(s) = 82+98+10 for a "unity feedback" system and asked to find the open-loop transfer function, generate a log-magnitude-phase plot for both...
6) Consider the feedback system in Figure 1 with the loop transfer function a) [8 Marks]...
6) Consider the feedback system in Figure 1 with the loop transfer function a) [8 Marks] Plot the Bode diagram for this loop transfer function b) 10 Marks] Determine the frequency at which the gain has unit magnitude and compute the phase angle at that frequency. Controller Process G(s)Y(s) Figure 1
Problem 3 Consider the transfer function: 108 (s2 5s +100) (s + 1000)2 G(s) 1. Sketch...
Problem 3 Consider the transfer function: 108 (s2 5s +100) (s + 1000)2 G(s) 1. Sketch the bode diagram for G. 2. Knowing that a proportional controller with gain 1000 in a unity feedback loop with G results in an unstable system, what are the phase and gain margins of G? 3. Design a proportional controller that achieves a gain margin of 40dB. gain of 10dB at 0.01rad/s and a gain margin 4. Design that is infinity. compensator that results...
The transfer function of an amplifier is given by A = A A = {1+3) where...
The transfer function of an amplifier is given by A = A A = {1+3) where Ao and wo are positive constants and Ao is 46dB. What is the absolution value of the gain (in dB) forw = wo? none of these 43 dB 40 dB 39 dB 46 dB For the following circuit, assume that there are no device output conductances and no backgate transconductances, and ignore capacitances. What is the voltage gain, Vout/Vin? You can assume that Rp...
The transfer function of the given physical system is 2500 Gp(s)-T-1000 Part 3 1. Frequency response (a) Draw the bode...
The transfer function of the given physical system is 2500 Gp(s)-T-1000 Part 3 1. Frequency response (a) Draw the bode plot of open-loop transfer function when K (b) Use bode plot of open-loop transfer function to determine the type of system (do not use transfer function) (c) For what input the system will have constant steady-state error (d) for the unit input in item (c) calculate the constant steady-state error.(Use bode plot to calculate the error.) (e) Design a lead...
Please Explain to me in details how to plot and find the phase shift of any bode plot or any transfer function, I can&...
Please Explain to me in details how to plot and find the
phase shift of any bode plot or any transfer function, I can't get
it from the textbook! so please provide me a full explanation and
solving of this example that will let me understand and solve any
question like these!
Thumps up for any explanation in details & good
font answer! otherwise thumbs down! :)
GOOD FONT ANSWER PLEASE!!
Phase Asymptotic approximation 90° Cs Rs ww V 450...
Sketch the Bode plots for a stable three-pole amplifier with dc
gain 10^5 whose poles have magnitudes 0.1 MHz, 1 MHz and 10 MHz.
Find the gain margin and phase margin of the amplifier if it is
connected in a feedback loop with (a) unity feedback factor; (b)
feedback factor 5.623 x 10^-5; (c) closed-loop dc gain 50 dB. In
each case indicate whether the closed-loop amplifier is stable or
unstable. What is the minimum stable closed-loop dc gain of...
Question 2 (10 marks) Consider the following three-pole feedback amplifier feedack amplifier with a loop gain func with a loop gain function 5432 T(ir)- 3x10 4x10 If -38.66x10 determine the phase margin and the gairn margin of this system (if it is stable)
Question 2 (10 marks) Consider the following three-pole feedback amplifier feedack amplifier with a loop gain func with a loop gain function 5432 T(ir)- 3x10 4x10 If -38.66x10 determine the phase margin and the gairn margin of...
Op-Amp Circuit Stability Although op-amps behave as single-pole amplifiers which are "unconditionally stable," it's still possible to make unstable amplifiers if you don't know what you're doing. The most famous example of this is the voltage differentiator 1. Consider the following circuit: a. Find the expression for this amplifier's ideal gain Aco (s), assuming the op-amp is ideal (a(s) - o. Hint: It's just an inverting amplifier with z and z2 R (5pts) b. Suppose the gain-setting components have values...
Question 2 (10 marks) Consider the following three-pole feedback amplifier with a loop gain function: 5432xB Tlir)- 2x101+ 4 x 105 If -38.66x10" determine the phase margin and the gain margin of this system (if it is stable).
Question 2 (10 marks) Consider the following three-pole feedback amplifier with a loop gain function: 5432xB Tlir)- 2x101+ 4 x 105 If -38.66x10" determine the phase margin and the gain margin of this system (if it is stable).
A unity gain negative feedback system has an open-loop transfer function given by 4. s) = s(1 + 10s)(1 + 10s)? Draw a Bode diagram for this system and determine the loop gain K required for a phase margin of 20 deg. What is the gain margin? 5. We are given the closed-loop transfer function 10(s + 1) T(s) = 82+98+10 for a "unity feedback" system and asked to find the open-loop transfer function, generate a log-magnitude-phase plot for both...
6) Consider the feedback system in Figure 1 with the loop transfer function a) [8 Marks] Plot the Bode diagram for this loop transfer function b) 10 Marks] Determine the frequency at which the gain has unit magnitude and compute the phase angle at that frequency. Controller Process G(s)Y(s) Figure 1
Problem 3 Consider the transfer function: 108 (s2 5s +100) (s + 1000)2 G(s) 1. Sketch the bode diagram for G. 2. Knowing that a proportional controller with gain 1000 in a unity feedback loop with G results in an unstable system, what are the phase and gain margins of G? 3. Design a proportional controller that achieves a gain margin of 40dB. gain of 10dB at 0.01rad/s and a gain margin 4. Design that is infinity. compensator that results...
The transfer function of an amplifier is given by A = A A = {1+3) where Ao and wo are positive constants and Ao is 46dB. What is the absolution value of the gain (in dB) forw = wo? none of these 43 dB 40 dB 39 dB 46 dB For the following circuit, assume that there are no device output conductances and no backgate transconductances, and ignore capacitances. What is the voltage gain, Vout/Vin? You can assume that Rp...
The transfer function of the given physical system is 2500 Gp(s)-T-1000 Part 3 1. Frequency response (a) Draw the bode plot of open-loop transfer function when K (b) Use bode plot of open-loop transfer function to determine the type of system (do not use transfer function) (c) For what input the system will have constant steady-state error (d) for the unit input in item (c) calculate the constant steady-state error.(Use bode plot to calculate the error.) (e) Design a lead...
Please Explain to me in details how to plot and find the
phase shift of any bode plot or any transfer function, I can't get
it from the textbook! so please provide me a full explanation and
solving of this example that will let me understand and solve any
question like these!
Thumps up for any explanation in details & good
font answer! otherwise thumbs down! :)
GOOD FONT ANSWER PLEASE!!
Phase Asymptotic approximation 90° Cs Rs ww V 450...
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