Theoretical Study of the Input Impedance of a Rectangular Microstrip Antenna

Mishra, Harishankar; Jha, L.

doi:10.1080/02564602.1993.11437323

IETE Technical Review

1993

DOI: 10.1080/02564602.1993.11437323

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Theoretical Study of the Input Impedance of a Rectangular Microstrip Antenna

Harishankar Mishra

L. Jha

Abstract: A tht'ort'tlcal study of th«' Input lmpt'danct' of a rt'ctangular mlc:rostrlp antt'nna Is presented. The antenna is excited by a coaxial line. Green's function tt'chnlque and the equivalent Impedance boundary condition have been used. The feed pin size, the feed location and tht' boundary admittance are shown to be Important. The expression for the Input Impedance Includes the dfect of feed pin size, the feed location, the radiated power and the fringe capacitance. A theoretical curve of the Input lmped .. nce… Show more

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2002

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Input impedance of rectangular microstrip patch antenna using artificial neural networks

Pattnaik¹,

Panda²,

Devi³

2002

Micro & Optical Tech Letters

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Figure 3Comparison of final output spectrum between the conventional and proposed methods significant reduction of the LO leakage signal in the final output can be obtained by the proposed method. This method will be more attractive when the RF and LO frequencies are close to each other. For future work, the effect of the LO leakage due to the temperature change and the excessive phase difference will be studied. Then, the proposed method will be applied to a 5.8 GHz wireless LAN system under development. REFERENCES1. J.L. Tham, M.A. Margarit, B. Pregardier, C.D. Hull, R. Magoon, and F. Carr, A 2.7-V 900-MHzr1.9-GHz dual-band transceiver IC for digital wireless communication, IEEE J Solid-State Circuits 34 A novel method for suppressing spurious resonance responses over the wide frequency range of filters for mobile communications, Proc IEICE Spring Conf, Japan, 1995, pp. 436᎐437. 4. M. Madihian, L. Desclos, K. Maruhashi, K. Onda, and M. Kuzuhara, 60-GHz monolithic down-and up-converters utilizing a source-injection concept, IEEE Trans Microwave Theory Tech 46 ABSTRACT: A new method of using artificial neural networks ANNs for the calculation of the input impedance of rectangular microstrip patch antennas has been adopted in this paper. The results obtained using ANNs are compared with the experimental findings, theoretical alues, and with the simulation results obtained using an IE3D package. The ANNs result are more in agreement with experimental findings. ABSTRACT: A single integral-equation formulation based on multilayered media Green's functions is presented and applied to 2-D dielectric grating problems. Its ad¨antage o¨er pre¨ious formulations based on free-space Green's functions is that, here, the unknowns appear only on the surfaces of the nonplanar parts of a layered grating structure.

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Input impedance of rectangular microstrip patch antenna using artificial neural networks

Pattnaik¹,

Panda²,

Devi³

2002

Micro & Optical Tech Letters

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show abstract

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Theoretical Study of the Input Impedance of a Rectangular Microstrip Antenna

Cited by 1 publication

References 6 publications

Input impedance of rectangular microstrip patch antenna using artificial neural networks

Input impedance of rectangular microstrip patch antenna using artificial neural networks

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