Wideband microstrip antennas with sandwich substrate

Nasimuddin; Z. N. Chen

doi:10.1049/iet-map:20070284

Wideband microstrip antennas with sandwich substrate

Nasimuddin^*, Z. N. Chen

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

63 Citations (Scopus)

Abstract

A broadband microstrip antenna with low-high-low (sandwich) dielectric constant substrate combination using a microstrip line-via feed is presented for ultra-wideband applications. The proposed antenna consists of three dielectric substrates; low dielectric constant substrates that contain the microstrip feed line as well as parasitic patches and a high dielectric constant substrate that contains the driven patch. To achieve a large impedance bandwidth, parasitic patches and microstrip line-via combination feed to the driven patch in the multilayered microstrip antenna are used. The proposed antenna designed, fabricated and measured on the sandwich substrate. The antenna has measured 10dB return loss bandwidth of 46.9 and directive gain >5.2dBi at boresight across the impedance bandwidth. The total height of antenna is 5.77mm or 0.077λ_o at 4GHz.

Original language	English
Pages (from-to)	538-546
Number of pages	9
Journal	IET Microwaves, Antennas and Propagation
Volume	2
Issue number	6
DOIs	https://doi.org/10.1049/iet-map:20070284
Publication status	Published - 2008
Externally published	Yes

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10.1049/iet-map:20070284

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abstract = "A broadband microstrip antenna with low-high-low (sandwich) dielectric constant substrate combination using a microstrip line-via feed is presented for ultra-wideband applications. The proposed antenna consists of three dielectric substrates; low dielectric constant substrates that contain the microstrip feed line as well as parasitic patches and a high dielectric constant substrate that contains the driven patch. To achieve a large impedance bandwidth, parasitic patches and microstrip line-via combination feed to the driven patch in the multilayered microstrip antenna are used. The proposed antenna designed, fabricated and measured on the sandwich substrate. The antenna has measured 10dB return loss bandwidth of 46.9 and directive gain >5.2dBi at boresight across the impedance bandwidth. The total height of antenna is 5.77mm or 0.077λo at 4GHz.",

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AB - A broadband microstrip antenna with low-high-low (sandwich) dielectric constant substrate combination using a microstrip line-via feed is presented for ultra-wideband applications. The proposed antenna consists of three dielectric substrates; low dielectric constant substrates that contain the microstrip feed line as well as parasitic patches and a high dielectric constant substrate that contains the driven patch. To achieve a large impedance bandwidth, parasitic patches and microstrip line-via combination feed to the driven patch in the multilayered microstrip antenna are used. The proposed antenna designed, fabricated and measured on the sandwich substrate. The antenna has measured 10dB return loss bandwidth of 46.9 and directive gain >5.2dBi at boresight across the impedance bandwidth. The total height of antenna is 5.77mm or 0.077λo at 4GHz.

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Wideband microstrip antennas with sandwich substrate

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