Switchable pi shape antenna
An antenna and wireless signal technology, applied in the direction of antenna, resonant antenna, antenna parts, etc., can solve the problem that T-shaped antenna is not very suitable
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[0020] The present invention provides a mobile device comprising a low-profile pi-shaped antenna comprising a switchable design for covering multiple common 4G LTE frequency bands from B17 to B7 as well as high frequency band B41. A π-shaped antenna is defined as an antenna having at least two arms, each coupled to a radiating element and together forming the shape of the Greek symbol π.
[0021] refer to figure 1 , shows a mobile device 10 comprising a switchable π-shaped antenna 12 with three arms: IL1, IL2 and coupling arm S1. The coupling arm S1 in combination with another component, such as a connector as will be described below, is advantageously used to provide resonance to generate the π-row antenna 12 in the high frequency band, thereby expanding the bandwidth of the antenna on the mobile device 10 . Additionally, an impedance matching network 14 is used to impedance match the antenna 12 to a radio frequency (RF) driver circuit 16 forming part of the device electroni...
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Abstract
Description
Claims
Application Information
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