Deterministic Equation for Self-Resonant Structures of Very Small Normal-Mode Helical Antennas

QuocDinh NGUYEN; Naobumi MICHISHITA; Yoshihide YAMADA; Koji NAKATANI

doi:10.1587/transcom.E94.B.1276

Special Section on Antenna and Propagation Technologies Contributing to Diversification of Wireless Technologies

Deterministic Equation for Self-Resonant Structures of Very Small Normal-Mode Helical Antennas

QuocDinh NGUYEN, Naobumi MICHISHITA, Yoshihide YAMADA, Koji NAKATANI

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Keywords: normal-mode helical antenna, self-resonant structure, capacitive reactance, inductive reactance

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2011 Volume E94.B Issue 5 Pages 1276-1279

DOI https://doi.org/10.1587/transcom.E94.B.1276

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Abstract

For the easy design of very small normal-mode helical antennas (NMHAs), an equation that helps determine the self-resonant structures of these antennas is developed. For this purpose, the expression for the capacitance of an NMHA is established. The accuracy of this design equation is confirmed by comparing the results obtained using the equation with the simulation results.

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