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Thanthai Periyar Government Institute of Technology Electronics & Communication Engineering Ec 8701 - Antenna & Microwave Engineering

The document is a past exam paper for the subject Antenna & Microwave Engineering for the Electronics & Communication Engineering department at Thanthai Periyar Government Institute of Technology. The exam paper tests students on key concepts related to antennas and microwaves through two parts - multiple choice questions worth 10 marks and longer answer questions worth 40 marks covering topics such as radiation patterns, directivity, gain, Friis transmission equation and noise characterization of microwave receivers.

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Janani Munisamy
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52 views1 page

Thanthai Periyar Government Institute of Technology Electronics & Communication Engineering Ec 8701 - Antenna & Microwave Engineering

The document is a past exam paper for the subject Antenna & Microwave Engineering for the Electronics & Communication Engineering department at Thanthai Periyar Government Institute of Technology. The exam paper tests students on key concepts related to antennas and microwaves through two parts - multiple choice questions worth 10 marks and longer answer questions worth 40 marks covering topics such as radiation patterns, directivity, gain, Friis transmission equation and noise characterization of microwave receivers.

Uploaded by

Janani Munisamy
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as DOCX, PDF, TXT or read online on Scribd
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THANTHAI PERIYAR GOVERNMENT INSTITUTE OF TECHNOLOGY

ELECTRONICS & COMMUNICATION ENGINEERING

EC 8701 – ANTENNA & MICROWAVE ENGINEERING

09.09.2020/ IV ECE CAT - I Max. Marks: 50

PART – A 5 x 2 = 10 Marks

1. Define Radian and Steradian.


2. The radiation resistance of an antenna is 72 ohms and loss resistance
is 8 ohms. Find directivity if the gain is 30.
3. Define Radiation Intensity.
4. List the Microwave frequency bands.
5. Define EIRP.

PART – B 4 x 10 = 40 Marks

1. Write notes on i) Radiation Pattern ii) Directivity iii) Gain iv)


Effective Aperture v) Efficiency.
2. (i) Explain in detail about Antenna Noise Temperature.
(ii) A wave originates from the transmitting antenna with 10 dB gain
and 100 watts radiating power at 10 MHz. It is received by an
antenna with 15 dB gain located at 20 km. Calculate the received
power.
3. Derive Friis transmission equation.
4. Explain the noise characterization of microwave receiver in detail.

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