Title :
A new simple and accurate formula for microstrip radial stub
Author :
Sorrentino, Roberto ; Roselli, Luca
Author_Institution :
Inst. of Electron., Perugia Univ., Italy
Abstract :
A closed-form formula is derived for the input impedance of the microstrip radial stub. The formula combines the simplicity of the radial transmission line approach and the accuracy of the resonant mode expansion technique.<>
Keywords :
S-parameters; electric impedance; microstrip components; input impedance; microstrip radial stub; radial transmission line approach; resonant mode expansion; Degradation; Distributed parameter circuits; Frequency; Impedance; Magnetic analysis; Microstrip; Permittivity; Resonance; Transmission line theory;
Journal_Title :
Microwave and Guided Wave Letters, IEEE