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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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
(more…)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″/>
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″/>