Baluns Online Exam Quiz
Baluns GK Quiz. Question and Answers related to Baluns. MCQ (Multiple Choice Questions with answers about Baluns
Among current Balun and voltage Balun, which works better?
Options
A : Current Balun
B : Voltage Balun
C : Both work equally
D : Depends the power supply
Binomial array has high HPBW compared to Dolph-chebychev.
Options
A : TRUE
B : FALSE
C : -
D : -
Dolph- Chebyshev becomes a Binomial array when there are no side lobes.
Options
A : TRUE
B : FALSE
C : -
D : -
For a 4: 1 Balun, what is the unbalanced impedance if the balanced impedance is 2K??
Options
A : 8K
B : 0.5K
C : 4K
D : 2K
For an unbalanced to balanced signal conversion, if the turn's ratio in a Balun is 1:2 then the balanced impedance is __ times the unbalanced impedance.
Options
A : 4
B : 2
C : \frac{1}{2}
D : \frac{1}{4}
The excitation amplitudes of the binomial array follow __
Options
A : Pascal's triangle
B : Bermuda triangle
C : Right angled triangle
D : Natural squares
The phase difference between the outputs of Balun in frequency domain is __
Options
A : 180?
B : 120?
C : 60?
D : 90?
What will be the array factor in polynomial form for the 3 element binomial array if Z=e^(-i?)?
Options
A : 1+2z+z2
B : 1+3z+3z2+z3
C : 1+2z+3z2+z3
D : 1+3z+z2
Which of following is the disadvantage of the binomial array?
Options
A : It has low amplitude variations
B : It has high range of amplitude variations
C : It has a high HPBW
D : It has low HPBW
Which of the following array is used to synthesize pattern without side lobes?
Options
A : Binomial array
B : Linear array
C : End-fire array
D : Chebyshev array
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