PRESTON UNIVERSITY

Islamabad - Kohat - Peshawar - Lahore Reg. No:

TERMINAL

EXAMINATION

Stadent Name:

Course Code: Course Title: Program: Semester:

Microwave Engineering MSc (Telecommunications) Spring 2011

IT 4316

This is a three-hour examination and consists of review questions and problems. You may attempt Dot more than a total or five review questions and problems.

Q.l Explain the following phenomena in detail: i. Signal flow graphs ii. Decomposition of signal flow graphs

Q.2 What is stub? Explain briefly single stub tuning and double stub tuning.

Q.3 Define microwave resonators. Explain in detail in case of transmission line resonator the open circuited 7J2 line.

Q.4 Define quadrature. Describe the quadrature (90°) hybrid and the (180°) hybrid.

Q.5 Briefly explain Bank stop and Band pass filters using quarter wave resonators.

Q.6 Define and explain Resonance isolators.

Q.7 Discuss characteristics of power amplifiers and amplifiers classes.

Q.8 Drive and discuss Friis radio link formula in microwave systems.