Q1: A Consider the ideal shunt-series feedback amplifier in Figure below. Assume that the source resistance is R, co. (a)If I- 100 uA, I 99 µA, and I,=5 mA, determine A, B, and G, including units. (b)Using the results of part (a), determine Ry and Rof, for R 5 kl and R, = 4 kfn. Thant
Q: For the circuit shown below, calculate: - 1. The input impedances (Z;), (Zif). 2. the loaded output…
A: We will do dc analysis and ac analysis to find out gain and input impedance and output impedance for…
Q: (b) Amplifier “A" has gain 30DB and noise figure 3.7 dB at the frequency of interest. Amplifier “B"…
A: Given information: Amplifier A has a gain in dB GA=20 dB. Noise figure NFA=3.7 dB. Amplifier B has a…
Q: B) Design a circuit using operational amplifiers, where the output voltage Y is given as, Y=…
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Q: Consider the ideal shunt-series feedback amplifier in Figure below. Assume that the source…
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Q: For the circuit shown below, calculate: - 1. The input impedances (Z,), (Z). 2. the loaded output…
A: We will do dc analysis to find out transconductance and then we will do ac analysis to calculate…
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A: The solution is given below
Q: k(s+4) In the following unity feedback system, let, G(s) %D s(s+0.5)(s+1)(s2+0,4s+4) and H(s) =1 and…
A: The range of values of K is determined for the system to be stable
Q: Problem 2: Class E Amplifier Design A schematic of class E amplifier is shown in the figure 2 given…
A: We are authorized to answer three sub-parts at a time, since you have not mentioned which part you…
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Q: For the circuit shown below, calculate: - 1. The input impedances (Z). (Zr). 2. the loaded output…
A: First we will find out gain without feedback then with feedback by using of feedback factor .
Q: Q2. The circuit shown below is a voltage regulator, which aims to keep the change in the output…
A: Output voltage in terms of input voltage and reference voltage is determined as shown below
Q: 5) For the feedback pair of circuits below: a. Calculate the de voltages VB- VB VC Vc; VE, and VE b.…
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Q: Calculate the output impedance of a voltage-series feedback amplifier having A = - 396, Ri = 1.5 kN,…
A: It is given that: A=-396Ri=1.5kΩRo=255Ωβ=126
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: Rc 2.2 kn RB For the series-series feedback amplifier in right figure, find the value of Rg, The…
A: For the given series -series feedback amplifier RE is calculated as shown below
Q: Figure (Q1) shows an ideal voltage amplifier with a gain of +2 V/V implemented with an Op Amp…
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Q: H.W.2 For the circuit shown, determine the feedback topology & determine Ave, Rif, Rof Is V₂ Rs SO…
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Q: V. IN VOUT R1 ww R1 R2 Ay = 1+ R2 Use R2=1000, R1=1kN, Vs=12V. The closed loop gain of the…
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Q: Feedback: 3. An ideal shunt-shunt feedback amplifier has Rs =∞ . If Ii = 100 microAmp, I fb = 99…
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Q: Assume an operational amplifier is working on inverting amplifer in which it takes input resistance…
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Q: For the amplifier circuit shown, determine the current gain Ai = lo/Ils using ideal feedback…
A: Given data is- hfe1=hfe2=100hie1=30 kΩhie2=1.5 kΩRL=1 kΩRC=0.1 kΩ Calculating Current gain A=I∘Is
Q: Calculate the output impedance of a voltage-series feedback amplifier having A = - 230, Ri = 1.5 kΩ,…
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Q: (b) Figure Q1(b) shows an equivalent circuit of a feedback amplifier having the following values:…
A: Solution (b) - The equivalent circuit of a feedback amplifier is shown below,…
Q: H.W.2 For the circuit shown, determine the feedback topology & determine Ave, Rif. Rof pvcc В 1.2k W…
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Q: Given r_e = 10 Ω, β = 200, A_v = -160, and A_i = 19 for the collector-feedback network shown below,…
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Q: 26 The transistors in the feedback amplifier shown are identical, and their h-parameters are: hie…
A: Steps to solve the example 1. determine the topology 2. draw input and output circuit 3. find open…
Q: Q) For the positive and negative feedback block diagrams shown drive an expression for the gain with…
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Q: Q) In the negative feedback, which of the following statement is true. * (a) The input voltage is…
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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: Consider a voltage series feedback network, where amplifier gain = 100, feedback factor = 5. For the…
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Q: Q2: Given the unity feedback system with G(s) = s(s+2)(s+3)(s+4) Do the following: a). Sketch the…
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Q: n ideal operational amplifier circuit in the closed-loop negative-feedback configuration is shown in…
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Q: 2) For the feedback amplifier circuit shown below, assuming the internal resistor in each MOSFETS is…
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Q: 1. Calculate the gain of a negative-feedback amplifier having A = -2000 and p = -1/10. 2. Calculate…
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Q: A differential amplifier is characterised by a common-mode gain, A, which may be derived from figure…
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Q: Q.2\ ( For the feedback circuit of Fig.Q.2, determine the topology of feedback and find: А, В, Ар,…
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Q: = 0 For the transistor feedback amplifier shown, he = 100, he = 1 K, he %3D and h = 0. Determine V…
A: Dear student as per our guidelines we are supposed to solve only one question in which it should…
Q: Q1:For the collector feedback amplifier it's parameter B=120and Vcc=16 V, R-3k2, Rg=1kQ, Rp=260kQ…
A: *Keeping a note ?as per our company guidelines we are supposed to answer ?️only first 3️⃣ sub-parts.…
Q: Describe what the terms Gain Bandwidth Product (GBP) and Slew Rate mean in the context of an…
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Q: Q2: For the unity feedback second order system shown below, if R(s) is a unit step, trace R(s), E(s)…
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Q: or the circuit shown below, calculate: - 1. The input impedances (Z,). (Zır). 2. the loaded output…
A: We will do dc analysis and ac analysis to calculate gain and input impedance and output impedance…
Q: Assume an operational amplifier is working on inverting amplifier in which it takes input resistance…
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Q: 3. For the feedback amplifier of Fig. 3 determine a. The base and collector current of each…
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- The circuit as shown is a shunt-shunt feedback amplifier. Use feedback analysis to find the midband input resistance, output resistance, and transresistance of the amplifier if RI = 500 Ω, RE = 2 kΩ, β0 = 100, VA = 50 V, RL = 5.6 kΩ, and RF = 47 kΩ, when vi and RI are replaced by a Norton equivalent circuit. What is the voltage gain for the circuit as drawn?Consider the following statement: In feedback amplifiers, concerning the connections between the direct amplifiers and the feedbacks network, a shunt connectiın at the input part servers to set an increased versiın of the input impedance of the direct amplifier, whereas again a shunt connection at the output part services to set a decreased version of the output imdepance of direct amplifier. Explain what is wrong with the statement above by drawing representative circuit diagrams and outlining the necessary calculations.Given in the figure is a two-stage amplifier design that employs negative feedback. Answer the following questions. Use the notation (R1 + R2 + ... + Rn) for series resistors and (R1 || R2 || ... || Rn) for parallel resistors for clarity and ease. Assume that the transistors are already biased properly in the saturation region and ro1 = ro2 → ∞. Also assume that the capacitors have infinite capacitance. 1.) Find the expression for the open loop gain Av 2.) Derive the resistance Rin which is the resistance that can be seen at the input port of the amplifier
- Find the desired values below in the feedback amplifier circuit in the figure. a) Find the no-load voltage gain in the amplifier circuit when the Rf resistor is open circuit. b) Voltage and current in amplifier circuit when Rf resistor is open circuit and RL resistor is present Find your earnings. c) When the Rf feedback resistor is connected, the Rf value that makes the feedback current gain Ai/3 find it. Indicate the assumptions you take in your transactions.1. Given the operational amplifier below.a. Solve for the input voltage, if the feedback resistors value is 10kOhm, and input resistance is 2kOhms and has an output voltage of -3V.b. Determine the input impedance of the given amplifier if the open-loop input impedance is 1MΩThe voltage gain of an amplifier is described by A(s) = 2π ×1010s /(s+2000π)(s+2π ×106) (a) What are the mid-band gain and upper- and lower-cutoff frequencies of this amplifier? (b) If this amplifier is used in a feedback amplifier with a closed-loop gain of 100, what are the upper-and lower-cutoff frequencies of the closed-loop amplifier? (c) Repeat for a closed-loop gain of 40.
- Find the loop gain, ideal transconductance, actual transconductance, input resistance, and output resistance for the feedback amplifier as shown with RI =15 kΩ, RL =20 kΩ, and R1 =6kΩ.An op amp has a dc gain of 100 dB and a unity-gain frequency of 10 MHz. (a) What is the bandwidth of the op amp? (b) If the op amp is used to build a noninverting amplifier with a closed loop gain of 60 dB, what is the bandwidth of the feedback amplifier? (c) Write an expression for the transfer function of the op amp. (d) Write an expression for the transfer function of the noninverting amplifier.Consider the feedback system given the open loop transfer function below G(s)H(s) = K / ( S (s+3) (s+2)) a) Using the Routh-Hurwitz criterion, for which value of K, the poles of the closed-loop system take the pure imaginary value.b) What will be the maximum value of K for the system to be stable?c) Calculate the value of K, where the real value of the complex root of the system is Re{s}=-1. Tip 1: Closed loop transfer function T(s) = G(s) / ( 1+ G(s)H(s)) .Routh HurwitzIn order to perform the criterion analysis, the denominator of the closed-loop function will be examined. Tip 2: The real value of the system complex root Re{s}=-1 is expressed by the following formula f^2(s) = p(s-1) p(s) is the payoff of the closed-loop function.
- For the feedback amplifier circuit shown below, assuming the internal resistor in each MOSFETs is infinite ( ro = ∞ ) and gm1 = gm2 = gm2 = 2.5mA/V. a) Draw the small AC equivalent circuit of the below amplifier. b) Determine the overall voltage gain.Q2: (A): What is the advantages and disadvantages of RC coupled amplifier?Suppose the op amp shown has an fT of 3 MHz. What is the phase margin of the amplifier?