1 (a)
Test for following polynomial using continued fraction expansion only P(s)=s

^{6}+2s^{5}+3s^{4}+4s^{3}+3s^{2}+2s+1
5 M

1 (b)
Obtains domain equivalent model at inductor and capacitor with non-zero initial conditions.

5 M

1 (c)
The paranelex of a transmission line are G=2.25 m Ω /km, R=65Ω/km, L=1.6mH/km, C=1 μF/km, find characteristics impedance and the propagation constant of the line at a frequency of 1 Khz.

5 M

1 (d)
The pole-zero diagram of driving point impedance function is shown At d.c. input impedance is resistive and equal to 2 Ω. Determine value of R.L and C.

5 M

2 (a)
Determine voltage V

_{x}by Source shifting and Source transformation.

8 M

2 (b)
Find i

_{1}(t), i_{2}(t) and i_{3}(t) at t=0

8 M

2 (c)
Compare Foster form I and Foster Form II of an LC N/W \[ \z(s) = \dfrac {6s(s^2+4)}{(s^2+1)(s^2+64)} \]

4 M

3 (a)
Design a short circuit shunt stub match for Z

_{L}=150-200j(Ω) for a line of z_{0}=100Ω and frequency at f=20 MHz use Smith chart.
8 M

3 (b)
Obtain Power associated with dependent voltage source by using Nodal analysis.

8 M

3 (c)
Explain various types of filter's

4 M

4 (a)
Obtain hybrid parameter of the inter connected network.

10 M

4 (b)
Obtain v(t) for t?0 Use Laplace Transform method.

10 M

5 (a)
Check for p.r.f. \[ a) \ F(s) = \dfrac {2s^2 + 2s+1}{s^3 + 2s^2 - s+2} \\ b) \ F(s) = \dfrac {s^2 +2s+1}{s^3 + 2s^2 + 2s +3} \]

8 M

5 (b)
Find current flowing in both coils. If applied input voltage is v(t)=230 √2 sin [5000 t-30°]

8 M

5 (c)
Obtain pole-zero plot for \[ \dfrac {I}{I_1} \]

4 M

6 (a)
For the Network shown below determine R

_{L}for maximum power transfer and also determine P_{L}.

8 M

6 (b)
Find \[ i_1 (i), \ i_2(t) \dfrac {di_1 (t)}{dt}\ and \ \dfrac {di_1 (t)}{dt} \ and \ \dfrac {di_2 (t)}{dt} at t=0^+ \] if switch k is opened at t=0.

8 M

6 (c)
Compare Cauer form I and Causer form II for RC N/W. \[ z(s) = \dfrac {4(s+1)(s+3)}{s(s+2)} \]

4 M

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