Download PTU B.Tech 2020 March ECE 6th Sem EC 302 Microwave And Radar Engineering Question Paper

Download PTU (I.K. Gujral Punjab Technical University Jalandhar (IKGPTU) ) BE/BTech ECE (Electronics And Communications Engineering) 2020 March 6th Sem EC 302 Microwave And Radar Engineering Previous Question Paper

1 | M-57535 (S2)-2825
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Tech (ECE) (Sem.?6)
MICROWAVE AND RADAR ENGINEERING
Subject Code : EC-302
M.Code : 57535
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write briefly :
a) What is the difference between Klystron & TWT?
b) Define Gunn Effect.
c) What are the properties of s-matrix?
d) Define microwave band.
e) Define the term directivity and coupling factor in directional coupler.
f) Why is an isolator used in microwave bench?
g) What is the value of VSWR for open circuit and short circuit?
h) What is blind speed?
i) What is cavity resonator?
j) Name the various scanning techniques.

FirstRanker.com - FirstRanker's Choice

1 | M-57535 (S2)-2825
Roll No. Total No. of Pages : 02
Total No. of Questions : 09
B.Tech (ECE) (Sem.?6)
MICROWAVE AND RADAR ENGINEERING
Subject Code : EC-302
M.Code : 57535
Time : 3 Hrs. Max. Marks : 60
INSTRUCTIONS TO CANDIDATES :
1. SECTION-A is COMPULSORY consisting of TEN questions carrying TWO marks
each.
2. SECTION-B contains FIVE questions carrying FIVE marks each and students
have to attempt any FOUR questions.
3. SECTION-C contains THREE questions carrying TEN marks each and students
have to attempt any TWO questions.

SECTION-A
1. Write briefly :
a) What is the difference between Klystron & TWT?
b) Define Gunn Effect.
c) What are the properties of s-matrix?
d) Define microwave band.
e) Define the term directivity and coupling factor in directional coupler.
f) Why is an isolator used in microwave bench?
g) What is the value of VSWR for open circuit and short circuit?
h) What is blind speed?
i) What is cavity resonator?
j) Name the various scanning techniques.


2 | M-57535 (S2)-2825
SECTION-B
2. Explain the working of Tunnel diode in detail.
3. Derive the equation for efficiency of two cavity klystron amplifier.
4. Explain the working of isolator with the help of neat and clean diagram.
5. What are slow wave structures? Give working of TWT amplifier. Give the construction and
working of a TWT Amplifier.
6. Explain the angle tracking system.

SECTION-C
7. Explain the operation of radar with the help of suitable diagram and discuss all the blocks
detail.
8. a) Discuss difference between MTI and Doppler radar.
b) Describe high power measurement method.
9. Write short notes on :
a) CW radar and its limitations
b) Microwave bridges
c) Measurement of SWR






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.
FirstRanker.com - FirstRanker's Choice