Microwave Engineering — Winter 2022

Describe the advantages of Microwave with its range and also prove “Microwave is said to be transparent”

Derive necessary equations for voltage and current with reference to EM wave propagating along transmission line.

What is standing wave pattern? Define VSWR in open and short circuited load.

What is reflection coefficient? Define Reflection coefficient for open and short circuited load.

Write a short note on Microstrip line

What is magic associate with magic tee junction? List two applications of magic TEE

What is the purpose of Directional Coupler? Describe in detail the operation of a 2-hole directional coupler. Define coupling factor, directivity, isolation and insertion loss of Directional coupler and write expression for each.

What do you mean by non-reciprocal network? Define Faraday rotation in ferrites and explain (i) Isolator

Explain the operation of E-plane Tee and derive s-parameter matrix for the same.

What do you mean by favorable electrons? Draw cross sectional view of cavity magnetron and discus field inside the interaction gap.

Describe the construction and working of a reflex klystron. Explain how velocity and current modulation takes place using the Applegate diagram.

Draw different slow wave structures and write why slow wave structures are used in traveling wave tubes? Also explain working of TWT with neat sketch

Describe the construction of two cavity klystron with Applegate diagram and compare it with multi cavity klystron.

Explain construction, characteristic and application of Gunn diode

Explain the principle of Radar. Derive the equation of the range of Radar.

What is Tunneling effect? Explain the construction and working of Tunnel diode. What are the applications of Tunnel diode?

Write a note on PIN diode and its applications