Consider the smith chart shown below. The represents the input impedance locus,

Question

Consider the smith chart shown below. The represents the input impedance locus, as a function of frequency, for a certain antenna. Points A, B, C, and D correspond to: An open circuit (lambda = 1 at an angle of 0 degree), a short circuit (lambda = 1 at an angle of 180 degree), a matched impedance, an inductive impedance, respectively. An inductive impedance, a matched impedance, a short circuit (lambda = 1 at an angle of 180 degree), an open circuit (lambda = 1 at an angle of 0 degree), respectively. An inductive impedance, a matched impedance, an open circuit (lambda = 1 at an angle of 0 degree), a short circuit (lambda = 1 at an angle of 180 degree), respectively. A capacitive impedance, a matched impedance, an open circuit (lambda = 1 at an angle of 0 degree), a short circuit (lambda = 1 at an angle of 180 degree), respectively.

Explanation / Answer

Points A,B,C, and D corresponds to

A. An inductive impedance : Since it has impedance r+jx form. So it is inductive impedance.

B. A Mtached Impedance : It has reflection coefficient zero value. So it is matched Impedance.

C. An open circuit : At point C , we have r=x=infinite, so it is open circuit opint.

D. A short circuit : At point D, we have r=x=0 ohm, so it is short circuit point.

So option C correct answer.

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