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Consider the loop gain function
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Microelectronics: Circuit Analysis and Design
- consider a sinusoid input with a peak amplitude of 2 mV. If the amplification gain A1 = 500 and k-0.125, the error (E) and the amplitude of the output waveform Vout of the feedback network are: R2 (a) Select one: O a. none of these O b. E=0.031m and Vout= 15.75mV O c. E= 127m and Vout= 15.75 O d. E=127m and Vout= 1Varrow_forwardThe figure below plots the frequency response of a multi-pole amplifier. A feedback system employing this amplifier with K = 1 will be: Bode Diagram Magnitude (dB) Phase (deg) 0 -20 40 -60 -80 -100 -90 -135 -180 -225 10-1 10° Frequency (rad/s) Select one: O a. stable because WGX wpx 10¹ 10²arrow_forwardFor the circuit below, write the voltage gain transfer function and find the zeros and poles of the function: R1 10k L1 20mH V1 Vout C1 200narrow_forward
- Fuels True the feedback path in closed loop system representation by r(t) The numerator polynomial of the transfer function G(s) represented in matlab as the coefficients of increasing powers of s in the numerator of G(s) The name of the Simulink block for plots one signal against another is a scope If finite number of blocks are connected in series or cascade.configuration, then the blocks combined algebraically By addition Can we simulate transient states in Simulink The output in the scope is an analog signal By equating the denominator of transfer function to zero, will be obtained Polesarrow_forwardb) If B =-0.015 and A =-5×10“, determine the closed-loop gain Ar.arrow_forwardQI)Name, derive and determine the feedback and voltage gain, frequency of the figure below. Choose Q-15, and Q-6? Choose Cl=10uf, C2-4uf, L=27mH. +Vp R. C. Q2) Name, derive and determine the feedback and voltage gain, frequency of the figure below. Choose Q=15, and Q-6? Choose C5=10uf, LI=8.6mH, L2=27mH. Amplifier Feedhack cincuit Q3)Name, derive and determine the feedback and voltage gain, frequency of the figure below. Choose Q=15, and Q6? Choose C1=10uf, C2-4uf, C3=8uf, L=27mH. +Vc Amplifier ll Feedhack circuitarrow_forward
- Q1/ for the following difference equation y[n]=y[n-1] + x[n] if x[n] as shown in figure find the first three output samples by using: 1) Difference equation and the initial condition y (-1) =0, 2) Digital convolution sum 3) Draw the system block diagram and sketch it output 2. 1.5 0.5 -1.5 -0.5 0.5 1arrow_forwardFor the circuit shown below, find the range of values for the feedback resistor Rf such that the circuit operates in its linear range. 1.6 ks Rf qV Vo 18V 7,5 kr -9V 1,5kr 5.6 kor +arrow_forwardConsider the following Voltage - Current feedback represented by resistance amplifier depicted below, Assume C1 and C2 are very small, neglect other capacitances and λ= 0. The feedback here improves the circuit input and output impedances by setting its values close to the ideal ones. - P RD VDD in M₂H F M₁V=C₁ Select one: O a. none of these O b. RinoL Od. RinoL HH" The open loop input resistance RinoL and the closed loop input resistances Rinciare respectively: gmi Vout C₂ OC. RinoLand RcL and Rinct ( (1 201 1 and Rinc # www. y nel RD2 C2 C1 C2 23:02 2002arrow_forward
- Define and differentiate the following terms. Also Draw plots where required. You can use different symbols to denote each term a. Gain Cross over Frequency VS.Phase Cross over Frequency b. Phase Margin VS. Gain Margin c. Three Conditions of Stability in terms of phase cross-over frequency and gain-cross over frequency. Three Conditions of Stability in terms of phase margins and gain marginsarrow_forwardWhat is the resonant peak magnitude of a unity feedback closed-loop system with the following open- loop transfer function? Choose the closest answer. G(s) = T6+2) 4 Select one: a. 0.06 dB b. 1.15 dB c. 6.30 dB d. Does not exist X e. 1.25 dBarrow_forward3ZJ The voltage at the node (between feedback resistance and in capacitor) of a differentaitor circuit is a.almost zero b.infinity c.approaching infinity d.maximumarrow_forward
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