2010•Unpublished venueRequires access

Wide band side fed bifilar helix antenna caged in passive quadrifilar helix structure

Waqar Ali Shah, Sultan Shoaib, Q. Islam, Muhammad Amin

Abstract

In this paper a wideband side fed bifilar helix antenna enclosed in a cage of passive quadrifilar helix antenna (QHA) is presented. Simulation results show that the bandwidth of the side fed bifilar for VSWR ¿ 2 is increased from 1175-1240 MHz to that of 870-1535 MHz (greater than tenfold increase in bandwidth) by placing inside the passive QHA as compared to the side fed bifilar structure when simulated in isolation with predominantly omni-directional radiation pattern in the range of 500-1600 MHz. The measured results show that VSWR of the antenna is less than or equal to 2.4 from 281 MHz to greater than 2 GHz.

About this research paper

What this paper is about

Why it matters

OpenAlex reports 5 citations for this work. Citation counts describe recorded attention and do not establish research quality.

Key contribution

A contribution statement is not available in the OpenAlex record.

Method / approach

Method details are not available in the OpenAlex metadata.

Main findings

Findings are not separately available in the OpenAlex metadata.

Limitations

Limitations are not available in the OpenAlex metadata.

Applications

Application details are not available in the OpenAlex metadata.

Available abstract

Key concepts: Bifilar coil, Helical antenna, Standing wave ratio, Bandwidth (computing), Physics, Helix (gastropod), Acoustics, Optics