Consider an amplifier with the loop gain function T(f), where ßis the feedback gain and frp is the frequency of the dominant pole. (a) B(10*) T(f)=: 1+ j1+j (i) Determine ß such that the amplifier has a low-frequency closcd-loop gain of 50. (ii) Determine frp such that the amplifier has a phase margin of 45 degrees.
Q: Sketch the root locus for unity feedback system with following forward gain function: KG(S) =…
A: Write the given transfer function:-
Q: 1. Consider the unity feedback system below R(s) + E(s) C(s) G(s) K G(s) (s + 4)³ 2. Find the…
A: Solve first three sub-parts in a multiple sub-part question, unless the student has asked for…
Q: 3. A dynamic system with the following feedback architecture will be controlled by selecting…
A: The forward path gain and feedback gain of a negative feedback closed system are Gs=Ka2s2+KaKh+1s,…
Q: Ex. 445. G(s)=k(s+7)/(s(s+ 9)(s+11)) is the FTF of a unity- feedback closed-loop system. respect to…
A: The Transfer Function is given as: Gs=ks+7ss+9s+11Here Number of Poles,P=3They are at…
Q: bandwidth of the closed-loop system.
A:
Q: Ex. 460. G(s)=k(s+58)/(s(s+53)) is the forward cransfer function of a unity- feedback closed-loop…
A:
Q: Given is a feed-forward transfer function G(s) of some system, where K is an adjustable parameter. K…
A: Due to guidelines. we can solve only first three sub part of the question . if you want another…
Q: EXERCISE 3.2 1. (a) Draw the block diagram of the feedback system and derive an equation to show…
A: In this given question we are define feedback system , negative feedback reduce the gain of an…
Q: The transfer function of the plant in a feedback control system, Gp(s), and the transfer function of…
A:
Q: Consider the root locus of a unity feedback system with loop transfer function L(s) = Ge(s)G(s) =…
A: Since you have asked multiple questions in a single request, we will be answering only the first…
Q: (a) Calculate the sensitivity of the closed-loop gain A, with respect to changes in open-loop gain…
A: a) The expression for the closed loop gain is given as, Partial differentiate AV w.r.t to A then,…
Q: I need to answer of this Control System Question
A: Given data : Gs=ks(s+3)(s+5)
Q: A closed-loop feedback system is shown in following figure R(s) 1 C(s) s(s+1)(s+3) 1+ Ks (1) Find…
A: Formula to calculate close loop transfer function is: C(s)R(s)=G(s)1+G(s)H(s)where G(s) is forward…
Q: Problem 2: For a unity feedback system where the plant is defined as K G(s) = s(s +3)(s +5) a.…
A: Dear student please find the attachment.
Q: 1. Find the equivalent transfer function of the negative feedback system shown in R(s) C(s) K…
A: The negative feedback system is shown in figure The open-loop transfer function is G(s)=Ks(s+2)2…
Q: 1. Calculate the gain of a negative-feedback amplifier having A (gain without feedback)= -2000 and B…
A: 1) The given data's are, The gain without feedback is A=-2000, The feedback is β=-110. The formula…
Q: Q1: The open loop transfer function of unity feedback system is 3000 G(s) %3D s(s+5)(s+20) 1- Assess…
A:
Q: )) The Nyquist Plot of a system G(s) = in a unity feedback loop (Figure 3) is shown in Figure (s+1)²…
A: Answer -
Q: Q.4 Sketch the root locus of the unity feedback system shown in Figure below, where K(s + 1) s(s +…
A: Given information about the close loop system, The loop transfer function is GsHs=Ks+1ss+2s+3s+4.…
Q: Q) For the positive and negative feedback block diagrams shown drive an expression for the gain with…
A: When output or fraction of output is given to input of the circuit it is known as feedback circuit.…
Q: Q) In the negative feedback, which of the following statement is true. * (a) The input voltage is…
A: Feedback reduces the overall gain of a system with the degree of reduction being related to the…
Q: An open-loop transfer function, KG(s) of a unity feedback system is given by: G(s) = s²–2s+4 (s+5)…
A: Part (a): Consider the open-loop transfer function, Gs=s2-2s+4s+5=s-1+j1.73s-1-j1.73s+5 The number…
Q: The oscillator circuit shown in the figure below has a positive feedback transfer function of sRL B…
A:
Q: The voltage gain of an amplifier is described by A(s) = 2π ×1010s /(s+2000π)(s+2π ×106) (a) What are…
A: a) Given A(s)=2π×1010ss+2000πs+2π×106A(s)=1042π×1010ss+2000πs+2π×106 Standard form of gain…
Q: B) Sketch the root locus for the unity feedback system, with , G(s) = k(s+13) s(s+3)(s+7) and find…
A: Given :G(s) =k(s+13)s(s+3)(s+7)
Q: 1. For a stable closed loop system, the gain margin at phase crossover frequency should always be:…
A: As per the guidelines of Bartley we supposed to answer first three subpart only
Q: 1. (а) Draw the block diagram of the feedback system and derive an equation to show that negative…
A: for our policy , i can solve only 1st question
Q: fi. Aclosed-loop feedback system is shown in following figure R(s) K C(s) s(s–1)(s+5) 1+s (1) Find…
A: We will find close loop gain , and then we will find characteristics equation to find out range of k…
Q: Ex. 440. G (s)=k/ ( (s+2)(s+ 8)) is the FTF of a unity-feedback closed-loop system. respect to k.…
A:
Q: Q1] a) Design a control system such that the resulting closed-loop, unity feedback system meets the…
A: Given Few parameters of a control system.we need to design a control system. Please find the below…
Q: The open loop transfer function of a unity feedback system is given as K G(s) S3(S + 852) + 32S(S +…
A:
Q: Determine the closed-loop transfer function of the system shown in Figure Qla. The plant transfer…
A: As per our guidelines we are supposed to answer only one question. Kindly repost other questions as…
Q: 5. A feedback system has loop transfer function K(s + 2) G(s)H(s) = s²2s + 10 - a) Sketch the root…
A:
Q: 1. Calculate the gain of a negative-feedback amplifier having A = -2000 and p = -1/10. 2. Calculate…
A:
Q: Q.2\ ( For the feedback circuit of Fig.Q.2, determine the topology of feedback and find: А, В, Ар,…
A: The given circuit is voltage series feedback amplifier. Where, the feedback factor is represented by…
Q: 3. If the unity feedback system is given by the open loop transfer function G(s) = ks2 / [(s+5)…
A: To calculate phase angle we convert the given transfer function into iw
Q: Given the forward-path transfer function of a unity feedback control systems, K(s+ 4)(s+20) G(s) =-…
A: As per our guide lines I solved only 1.
Q: Using the Routh-Hurwitz criterion and the unity feedback system below, with K G(s): s(s + 1)(s +…
A: Given that G(s) = k/ s(s+ 1)(s + 2)(s + 5)
Q: 3. The loop gain of an amplifier is given by: В x (5 x 10) (1+ j) (1 + j) (1 +j it) The pole at fpi…
A:
Q: Q1 (A): Sketch the Nyquist plot of the unity feedback system that shown in figure (1). Is the close…
A:
Q: Ex. 440. G(s) =k/((s+5) (s+ 6)) is the FTF of a unity-feedback closed-loop system. respect to k.…
A:
Q: Given the shown circuit and its feedback block diagram, find the signal X in terms of the current…
A: Control systems
Q: Q5: Given the forward -path transfer function of a unity feedback control systems, K(s + 10)(s+ 20)…
A: (1)(a) For the given function find the characteristic equation.
Q: In the following unity feedback system, let, G(s) = K and H(s) =1 and; %3D (s+1) a. Calculate the…
A: The range of values of k is determined for the system to be stable
Q: The loop transfer function of a unity negative feedback system K L(s) = G(s)G(s) s(s + 2) A system…
A:
Q: 1. Calculate the gain of a negative-feedback amplifier having A = -2000 and p = -1/10. 2. Calculate…
A: According to the bartleby's guidelines we have to solve only one question posted by students so…
Q: Consider the feedback system given the open loop transfer function below G(s)H(s) = K / ( S (s+3)…
A: (a) When the pole of the close loop system is pure imaginary then there will be exist of ROZ(row of…
Q: Common Data for Q2, Q3, Q4: For a unity feedback system, we have the forward path transfer function:…
A:
Q: of a unity- feedback closed-loop system. Sketch the root locus with respect to k. Determine the…
A:
Q: 1. For the open-loop transfer function, G(s), given below, in a unity negative feedback closed loop…
A: From the open loop transfer function there are four poles and are located at : s=0,-1,-2,-4 There is…
Trending now
This is a popular solution!
Step by step
Solved in 3 steps
- 1. Consider an inverting operational amplifier circuit with Ri = 10kohms and Rf = 50kohms. a. Determine the closed loop voltage gain b. Determine the input impedance of the circuit. c. Determine the ideal output impedance of the circuit. d. Determine the peak input voltage, Vi(peak) for which linear operation is possible. e. Determine the output voltage for each of the following values of input voltage. 2. Assume that for the circuit in problem1, for Vi = -2V, assume that an external load RL=2kohms is connected to the output. Determine the total op amp output current.Given the feedback circuit below and assuming the voltage amplifier has gain A₂, input resistance R₁ and output resistance Ro, answer the following questions: + a. Loop gain b. Closed loop gain Re C. Input resistance d. Output resistance Rin м + RE A) Sketch the feedback small signal model of this circuit. (Hint: You may convert the input VIN and source resistance Rs to its Norton current equivalent if needed) B) Find the following in terms of the amplifier parameters and resistances R, and RF: RoutAssume an inverting amplifier with input resistance 1 kilohm and feedback resistance of 100 kilohm. If the op-amp has GBP = 1 MHz, what is the closed loop amplifier bandwidth?
- 2-) The AC equivalent of a feedback amplifier circuit is given in the figure on the right. (Hfe100, Va = ∞, Ic1 = 15 mA, Ic2 = 5mA and Ic3 = 5 mA) a) State the type of feedback used in the circuit, explaining the reason. b) Draw the small signal equivalent of the amplifier circuit. c) Calculate the value of β for the feedback by drawing the β circuit. d) Find the Avf = Vo / Vs closed loop gain of this circuit. e) Find the Rif and Rof values.Q2// Answer the following questions about voltage-feedback bias circuit for the figure below. 1-Determine Ver and VCB. 2- What happens to the voltage Ve if the resistor Rp is open? 22 K 3- What might cause VCE to become nearly 9 V? 4- Determine the change in Ie from 25° to 75° C, if Ico 0.2 HA, and VBE = 0.7V. 10 ul B-801. Calculate the gain of a negative-feedback amplifier having A = -2000 and B = -1/10. 2. If the gain of an amplifier changes from a value of – 1000 by 10%, calculate the gain change if the amplifier is used in a feedback circuit having B = – 1/20.
- Q1 Design an operational-amplifier circuit using two inverting configurations to produce the output vo = +201 + 0.5v2 – 0.2v3 – 1v4. Choose feedback resistor Rf = 220kN for each amplifier. %3D | -The term duty cycle refers to the amount of time a signal is complete cycle. A. off compared to the period of one B. on The output voltage of op-amp is positive saturation, when the voltage applied to the input is greater than the input. A. inverting B. noninverting A square wave that is 20V at its high state and OV when it is off will produce an average DC when its duty cycle is 75%. Formula: VOUT = Duty Cycle * Peak voltage voltage of A. 7.5V B. 10V C. 15Va- Zero. b- Slightly different from zero. O Maximum positive or negative. d- An amplified sin wave. 9-Negative feedback reduces @ The feedback fraction. b- Distortion. c- The input offset voltage. d- The open-loop gain. 10-The input impedance of a current-voltage converter is Small. b- Large. c- Ideally zero. d- Ideally infinite. a- 11-In a linear op-amp circuit, the @ Signal are always sin wave. b- Op-amp does not go into saturation. c- Input impedance is ideally infinite. d- Gain-bandwidth product is constant.
- 3C Problem 1. (P1) Three op-amps are connected in cascade configuration. An 80 microVolts signal is connected to the non-inverting input of the first op-amp. Both the 2nd and 3rd op-amps operates as inverting amplifiers. All feedback resistors are 420 KOhms while the input resistances are 71.4kOhms, 19.1kOhms, and 14KOhms respectively. Determine the gain of the third stage stage. a.-22 b.22 c.-30 d.31Si transistor has ICEO = 0, B = 100, Rc=2kQ, Vcc=12 V. Assume that; (VCEQ = Vcc /2). The circuit of Figure below uses current- (or shunt-) feedback bias. The +Vcc find RC Cc 1. The value of IgQ RF 2. The value of RF lic Rs VL RL Cc R. R;A feedback amplifier comprises two amplifying blocks in tandem; each block having a gain of 100. What should be the gain of the feedback block in order for overall gain to be 100? If the gain of each amplifier block reduces to 50% due to parameter variations, what is the percentage change in the gain of the complete feedback unit?