her end, has a center conductor width = 0.4λo, substrate height of 0.05λo, and it is operating at 10 GHz. The dielectric constant of the substrate is 2.25. This type of microstrip line is used to construct rectangular patch antennas. Determine the following: (a) The input admittance (real and imaginary parts) of the microstrip line at the leading open edge. Is it capacitive or inductive? (b) What kind of a lumped element (capacitor or inductor) canbe placed at the leading open edge
A microstrip line, which is open at one end and extends to infinity toward the
other end, has a center conductor width = 0.4λo, substrate height of 0.05λo,
and it is operating at 10 GHz. The dielectric constant of the substrate is 2.25.
This type of microstrip line is used to construct rectangular patch antennas.
Determine the following:
(a) The input admittance (real and imaginary parts) of the microstrip line at
the leading open edge. Is it capacitive or inductive?
(b) What kind of a lumped element (capacitor or inductor) canbe placed at the
leading open edge between the center conductor of the line and its ground
plane to resonate the admittance? What is the value of the lumped element?
(c) The new input impedance, taking into account the presence of the lumped
element.
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