𝔖 Bobbio Scriptorium
✦   LIBER   ✦

Internal cellular/WLAN combo antenna for laptop-computer applications

✍ Scribed by Kin-Lu Wong; Liang-Che Chou

Book ID
102948380
Publisher
John Wiley and Sons
Year
2005
Tongue
English
Weight
506 KB
Volume
47
Category
Article
ISSN
0895-2477

No coin nor oath required. For personal study only.

✦ Synopsis

a narrow slit of 7 mm in height (h) and 1 mm in width. The slit is placed 3.2 mm away from the patch's center line. On the other side of the substrate, the ground plane with a length of 15 mm covers the section of the microstrip feed line.

The use of a narrow slit allows additional surface-current paths [5] and the impedance bandwidth of the antenna can be controlled by the height of the slit. The height of the feed gap between the main patch and the ground is also an important parameter for controlling the impedance bandwidth. When the proper height of the narrow slit is chosen, a wideband characteristic can be achieved for the antenna.

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