A planar printed triangular monopole antenna (PTMA) is presented for ultra-wideband (UWB) communications. The HFSS 3-D EM solver is employed for design simulation. A printed PTMA has been fabricated on a FR-4 substrate. The measured VSWR is less than 3 from 4 to 10 GHz. In the UWB communications frequency range, the measured phase distribution of the input impedance is quite linear and the H-plane patterns are almost omni-directional. The Kirchhoffs surface integral representation (KSIR) was adopted in the developed FDTD code to compute the far-field distributions from the near-field ones in the time domain. This is to investigate the radiated power spectral density (PSD) shaping to comply with the Federal Communications Commission (FCC) emission limit mask. The effect of various source pulses (first-order Rayleigh pulses with σ = 20, 30 and 50 ps) on the radiated PSD shaping is also studied.

Huey-Ru Chuang

C. C. Lin

Y. C. Kan

Microwave journal

Since 1958, Microwave Journal has been the leading source for information about RF and Microwave technology, design techniques, news, events and educational information.  Microwave Journal reaches 50,000 qualified readers monthly with the print magazine that has a global reach.

Since 1958, Microwave Journal has been the premier source of information on RF and microwave technology, design techniques, news, events, and educational resources. It reaches 50,000 qualified readers each month with its print magazine, which has a global impact.

自1958年以来，Microwave Journal 一直是关于射频和微波技术、设计技巧、新闻、事件和教育信息的主要信息来源。Microwave Journal 每月接触到50,000名合格读者，印刷杂志具有全球影响力。

Category	Quartile
计算机科学	4
计算机科学, 工程电子与电气	4
计算机科学, 电信学	4

A printed UWB triangular monopole antenna

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