To obtain a flat curve in the response of a binomial multisection transformer, N-1 derivatives of ( ) are set to zero. This implies:

the frequency sensitivity of the matching section is increased linearly

the frequency sensitivity of the matching section is increased exponentially

roll off in the curve is increased

Explore topic-wise MCQs in Microwave Engineering.

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1.	As the number of sections in the binomial multisection transformer increases the plot of normalized frequency v/s reflection co-efficient has a wider open curve.
A.	true
B.	false
Answer» B. false

Discussion

2.	In the plot of normalized frequency v/s reflection co-efficient for a binomial multisection filter, the curve has a dip at:
A.	center frequency
B.	upper cutoff frequency
C.	lower cutoff frequency
D.	none of the mentioned
Answer» B. upper cutoff frequency

Discussion

3.	The reflection coefficient _N in terms of successive impedances Z_n and Z_n+1 when multisection transformers are used in a binomial matching transformer is given by:
A.	0.5ln (Z<sub>n+1</sub>/Z<sub>n</sub>)
B.	ln (Z<sub>n+1</sub>/Z<sub>n</sub>)
C.	0.5ln (Z<sub>n</sub>/Z<sub>n+1</sub>)
D.	(Z<sub>n</sub>/Z<sub>n+1</sub>)
Answer» B. ln (Z<sub>n+1</sub>/Z<sub>n</sub>)

Discussion

4.	The condition ( ) =0 for = /2 of a binomial multi section transformer corresponds to the:
A.	upper cutoff frequency
B.	lower cutoff frequency
C.	center frequency
D.	none of the mentioned
Answer» D. none of the mentioned

Discussion

5.	To obtain a flat curve in the response of a binomial multisection transformer, N-1 derivatives of ( ) are set to zero. This implies:
A.	the frequency sensitivity of the matching section is increased linearly
B.	the frequency sensitivity of the matching section is increased exponentially
C.	roll off in the curve is increased
D.	none of the mentioned
Answer» E.

Discussion

6.	If a quality binomial matching transformer gives a good flat response curve, it is called maximally flat .
A.	true
B.	false
Answer» B. false

Discussion

Explore topic-wise MCQs in Microwave Engineering.

As the number of sections in the binomial multisection transformer increases the plot of normalized frequency v/s reflection co-efficient has a wider open curve.

In the plot of normalized frequency v/s reflection co-efficient for a binomial multisection filter, the curve has a dip at:

The reflection coefficient N in terms of successive impedances Zn and Zn+1 when multisection transformers are used in a binomial matching transformer is given by:

The condition ( ) =0 for = /2 of a binomial multi section transformer corresponds to the:

To obtain a flat curve in the response of a binomial multisection transformer, N-1 derivatives of ( ) are set to zero. This implies:

If a quality binomial matching transformer gives a good flat response curve, it is called maximally flat .

The reflection coefficient _N in terms of successive impedances Z_n and Z_n+1 when multisection transformers are used in a binomial matching transformer is given by: