Download PTU (I.K.Gujral Punjab Technical University (IKGPTU)) B-Tech (Bachelor of Technology) (ECE)-Electronics And Communications Engineering 2020 December 3rd Sem 57585 Network Analysis And Synthesis Previous Question Paper
Roll No.
Total No. of Pages : 03
Total No. of Questions : 18
B.Tech. (ECE/Electronics Engg/Electronics & Computer Engg)
(2012 to 2017) (Sem.?3)
NETWORK ANALYSIS AND SYNTHESIS
Subject Code : BTEC-303
M.Code : 57585
Time : 3 Hrs. Max. Marks : 60
INST RUCT IONS T O CANDIDAT ES :
1 .
SECT ION-A is COMPULSORY cons is ting of TEN questions carrying TWO marks
each.
2 .
SECT ION-B c ontains F IVE questions c arrying FIVE marks eac h and s tud ents
have to atte mpt any FOUR q ues tions.
3 .
SECT ION-C contains THREE questions carrying T EN marks e ach and s tudents
have to atte mpt any T WO questio ns.
SECTION-A
Answer briefly :
Q1. State various properties of LC networks.
Q2. Find convolution between u(t) and e-tu(t).
s 1
Q3. Find F(t) if F s
.
2
s s 5
Q4. What is the relation between transfer function of a system and impulse response.
s 2s 4
Q5. Check the positive realness of F s
.
s
1 s 3
Q6. Differentiate between Network Analysis and Network Synthesis. Name the methods to
solve them.
Q7. Give the reason: why a system is stable if poles are on left hand side of s-plane?
Q8. Explain the relation between step, ramp and impulse function.
Q9. Define all parameters of the characteristic output of a pass band filter.
Q10. Find condition for a 2-port network using Z and Y-Parameters to be reciprocal
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SECTION-B
Q11. In the given circuit find current in all resistors using nodal analysis in Fig. 1.
4
1
40A
4
5V
2
5A
FIG.1
Q12. Find h-parameters of the network of Fig. 2.
I1
I2
1
2
10
5
1
2
FIG.2
Q13. Find driving point admittance and transfer admittance for bridged T-network shown in
Fig. 3 with a 2 load resistor connected across port 2.
1F
I1
1
1
1
V
2
1F
2
1
FIG.3
Q14. Determine the current produced by each battery in the circuit of Fig. 4.
2
3
3V
4
1
4
30V
20V
1V
4V
FIG.4
Q15. Classify filters and analyze any one type of filter in detail.
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SECTION-C
Q16. Synthesize a network using Foster-I and Foster -II forms for the impedance function :
s 2
s 9
Z s
2
s 5 2
s 13
Q17. Design an m-derived T and network low pass filter with design impedance of 600 and
cut off frequency of 1.8 KHz and infinite attenuation at 2 KHz.
Q18. a) Define Composite filters.
b) Find Laplace transform of Fig. 5
F( )
t
(3,4)
4
0
3
5
t
FIG.5
NOTE : Disclosure of Identity by writing Mobile No. or Making of passing request on any
page of Answer Sheet will lead to UMC against the Student.
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This post was last modified on 13 February 2021