Wilkinson Power Dividers MCQ’s

Electronics & Communication Engineering RF & Microwave Circuit Design

This set of RF & Microwave Circuit Design Multiple Choice Questions & Answers (MCQs) focuses on “Wilkinson Power Dividers”.

1. The Wilkinson power divider is a:
a) 2 port network
b) 3 port network
c) 4 port network
d) None of the mentioned

2. Wilkinson power divider is an equal split power divider.
a) True
b) False

3. A major disadvantage of the lossless T-junction power divider is:
a) Not matched at all the ports
b) Low power output
c) Complex construction
d) None of the mentioned

4. If 10 watt is applied to the input port of a standard Wilkinson divider, then the sum of the power measured at the two output ports of the Wilkinson coupler is
a) 5 watt
b) 10 watt
c) 7.07 watt
d) 8 watt

5. A Wilkinson coupler designed can be operated at any frequency.
a) True
b) False

6. The plot of frequency v/s S11 parameter of a Wilkinson coupler has a dip at the frequency at which it is designed to operate.
a) True
b) False

7. The analysis of Wilkinson coupler is done using:
a) Even-odd mode analysis
b) Symmetry
c) S matrix approach
d) None of the mentioned

8. For an equal-split Wilkinson power divider of 50Ω system impedance, the characteristic impedance of quarter wave transmission line used is:
a) 70.7 Ω
b) 50 Ω
c) 100 Ω
d) None of the mentioned

9. The plot of S23 v/s frequency has the same curve as that of S11 v/s frequency.
a) True
b) False

10. S12 curve of a Wilkinson coupler when plotted versus frequency is a line passing through origin.
a) True
b) False

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