Download AKTU B-Tech 3rd Sem 2015-2016 EEC 304 Fundamentals Of Network Analysis And Synthesis Question Paper

Download AKTU (Dr. A.P.J. Abdul Kalam Technical University (AKTU), formerly Uttar Pradesh Technical University (UPTU) B-Tech 3rd Semester (Third Semester) 2015-2016 EEC 304 Fundamentals Of Network Analysis And Synthesis Question Paper

Printed Pages: 6 260 ? EEC-304
(Following Paper ID and Roll No. to be filled in your
Answer Book)
Roll No.
B. TECH.
(SEM. III) THEORY EXAMINATION, 2015-16
FUNDAMENTALS OF NETWORK ANALYSIS AND
SYNTHESIS ?
[Time:3 hours] [Total Marks: 100]
?2200
Section-A
Attempt all parts. All parts carry equal ma_rks. Write
answer of each part in short: (2x10=20)
(a) De?ne ?initial vallie? and ??nal Ivalue? theorem.
(1)) De?ne reciprocal network.
(c) List three pr0perties of positive real function.
((1) Enlist the two important properties to recognize
an R-C impedance'in synthesis.
(6). Explain an exponential ?mction.
(1) . P.T.O.

(t) Write-the condition of symmetry in termson, Y,
h and T parameters.
(g) Differentiate between active and passive ?lters.
, (h) Show that the described by the transfer function
1
H s =
( ) (sz +0.76536s+1)(s2+l.84776s+1)
is a
- Low Pass Filter.
(i) Determine the range of constant ?K? for the
polynomial to be Hurwitz
P(s)=s?+3sz+23+K
(j) ? Write the properties of transfer functions.
Section-B
Note: Attempt any ?ve questions from this section :
2.
2200
(10x5=50)
Explain the concept of reciprocity and symmetry. Deritle
the above conditions for h and ABCD parameters.
(2) EEC-304
3. Determine the equivalent Norton Network at the
terminals a and b of the circuit shown in ?gure-l -,
34+
4.
cf
1
n? .2?
?1
a
09'
4. The switch K shown in ?gure-Z is in the steady state in
position a for _oo<; <0; At t = 0, it is connected to
position b. Find iL(t), t 20
R - _
V1 c1 :2? E I
l L law)
R] ' Tc
~ I
Figure.2 -
220? ? (3) P.T.O.

2200
Find
(a) The r.m.s. value of the square-wave shown in ?gure?
3.
(b) The average power for the circuit having
Zin=l .05_-0.67 j 9 when the driving-current is 40-
3jA.
\
v
(volt? ? .
5 "??
' ?
0 0.1 0.2 0.3 0.4 ?Q
? Figure.3
s3+252+3s+1
Determine whether the ftmction F (S ) = _?3?-?2?????
s + s + 2s +1
is positive real or not.
Synthesize a ladder network whose driving point
255 +12s3 +165
. - - ' ZS =?-?-??"
unpedancefunctlonlsglvenby ( ) S4+452+3
(4)
EEC-304
us 4~A~.A...__?_ _., , .
E?
Synthesize an LC network terminated in IQ given that
Z S =???-???-??-
2'() s3+3s2+4s+2
9; Showthatthevoltageratio trensf?r function oftheladder
network shown in ?gure-4 is given by
V2(S)_ 8s2
V1(S) 1232+123+l
11 2F 21!
V1 2;; ' '11? 219 ?72
' Figure.4
Section-C
Note : Attempt any two questions from this section.
(15x2=30)
2200 (5) P.T.O.

10.
ll.
12.
2200 "
Express the impedance Z(s) for the network shown in.
?gure-S in the form :
N (s)
Z(S )= KD(3)
Plot its poles and zeros. F mm the pole-zero plot, what
can you infer about the stability of the system ?
12
1H' t . 3?H
? 166?
%
._.... 1 ._._.
Figure.5
2o+na+3
Consider the system function Z (S) = (S + 2X3 + 6) -
Synthesize :
(a) An R-L network
(b) An R-C network
Find the poles of system functions for low pass ?lter
with n=3 and n=4 Butterworth characteristics. (Do not
use the tables)
??X?..
(6) . _ EEC-304