many students face difficulty while solving problems on translational mechanical systems in this short article lets find out how to easily calculate the required transfer function easily without any errors this method is already discussed in the book of control ...
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On: July 24, 2022
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Problem 1. An NMOS common-source amplifier circuit shown as the figure, the transistor parameters are: VTN=0.8V, Kn = 1mA/V2, and the channel modulation effect is ignored. The circuit parameters are VDD=5V, Rs=1KΩ, RD= 4KΩ, R1=225KΩ, and R2=175KΩ.
Find the circuit quiescent values IDQ and VDSQ.
Drawthesmallsignalequivalentcircuit.
FindthesmallsignalvoltagegainforRLasanopencircuit. 4. Find the input impedance Rin as indicated in the figure.
Find the output impedance Rout as indicated in the figure.
Find the circuit quiescent values IDQ and VDSQ.
Drawthesmallsignalequivalentcircuit.
FindthesmallsignalvoltagegainforRLasanopencircuit. 4. Find the input impedance Rin as indicated in the figure.
Find the output impedance Rout as indicated in the figure.” class=”wp-image-16958″ width=”840″ height=”702″/>
The above problem is completely solved
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On: March 21, 2022
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(50 points) This problem has 14 questions. Consider the lossless transmission line given below. Use the attached Smith Chart to find:(a)(2 points) The magnitude I and phase A of the reflection coefficient.
(b) (2 points) Determine the Standing Wave Ratio (SWR).(c) find the normalized load admittance y and load admittance (d) find the normalized load impedance Zion and the load impedance Zion (e) what is the distance dmin from the load to first voltage minimum indicate on the smith chart the position of voltage minimum.(f) what is the distance dmax from the load to first voltage maximum indicate on the smith chart the position of voltage maximum (g) (4 points) The total voltage on a transmission line is given by: V (2) = Vat e-iP2 + Vi eiBE
Using I and dmax from previous questions, find the maximum voltage in terms of Vö
(h) (4 points) Using I and din from previous questions, find the minimum voltage in terms
of Vot
On: March 20, 2022
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Quiz 1: BIT Amplifier
Take |VBE|=0.7V, Vr=25mV, p=99. Compute the DC Bias (only IE).
Draw the small signal model and find the overall voltage gains (vo/vsig).
Take |VBE|=0.7V, Vr=25mV, p=99. Compute the DC Bias (only IE).
Draw the small signal model and find the overall voltage gains (vo/vsig).” class=”wp-image-14957″/>
On: March 15, 2022
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A LTI system is described by
y(n] = x(n] +2x|n-1] + x[n-2]
(a) Decide its system impulse response h(n).
(b) Is this system stable? give reasoning for your answer.
(c) Decide its frequency response H(elo).
(9)
Let the discrete system is defined by input x[m], output y[n] and system
function h|n]. Answer to the following:
(a) Using Convolution, find output y[n] for input x[n] = 8(n] + 28[n-1] +
8[n-2] and h(n] = U(n]. Also Sketch it using stem plot.
(4)
(b) Find y[n] in a closed form for x[n]= U(n] and h[n] = a”U[n]
(assume n≥0 and a]<1). You may use Z transform.
(4)
Find the discrete-time system function H(z) that responds to an input
sequence {1, 0.6; and an output sequence { 4, 2, 1, 1, 1, 1, 1, 1, 1,-
(here
_- means all 1s)
(9)
4.
Solve, by Z-transform, for y[n] in a closed form,
y(n+2] -y[n] -y[n+1]=0, where y[O]=0 and y[1)=1.
Use Z[y(n+1)]=zY(z) -zy(0) and
Z[y(n+2) = z?Y(z)-27y(0) – zy(1)
y(n] = x(n] +2x|n-1] + x[n-2]
(a) Decide its system impulse response h(n).
(b) Is this system stable? give reasoning for your answer.
(c) Decide its frequency response H(elo).
(9)
Let the discrete system is defined by input x[m], output y[n] and system
function h|n]. Answer to the following:
(a) Using Convolution, find output y[n] for input x[n] = 8(n] + 28[n-1] +
8[n-2] and h(n] = U(n]. Also Sketch it using stem plot.
(4)
(b) Find y[n] in a closed form for x[n]= U(n] and h[n] = a”U[n]
(assume n≥0 and a]<1). You may use Z transform.
(4)
Find the discrete-time system function H(z) that responds to an input
sequence {1, 0.6; and an output sequence { 4, 2, 1, 1, 1, 1, 1, 1, 1,-
(here
_- means all 1s)
(9)
4.
Solve, by Z-transform, for y[n] in a closed form,
y(n+2] -y[n] -y[n+1]=0, where y[O]=0 and y[1)=1.
Use Z[y(n+1)]=zY(z) -zy(0) and
Z[y(n+2) = z?Y(z)-27y(0) – zy(1)” class=”wp-image-13764″/>