Electronics and Communication Engineering - Microwave Communication

6. 

Which of the following is not used as a microwave mixer or detector?

A. PIN diode
B. Crystal diode
C. Schottky barrier diode
D. Backward diode

Answer: Option A

Explanation:

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7. 

Integrated fin line can be utilized as a medium for constructing millimeter wave circuits.

A. True
B. False

Answer: Option A

Explanation:

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8. 

The secondary constants of a line are

A. Z0
B. Z0 and γ
C. Z0, γ and wave velocity
D. Z0, γ and L

Answer: Option B

Explanation:

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9. 

In a loss less line the propagation constant is equal to

A. jωLC
B. LC
C. jωLC
D. LC

Answer: Option A

Explanation:

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10. 

A rectangular wave guide has two stubs each of length connected at the source end. The stubs are circuited. Then the stubs present

A. an infinite impedance in shunt with line
B. an infinite impedance in series with line
C. a zero impedance in shunt with line
D. a finite impedance in shunt with line

Answer: Option A

Explanation:

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