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Antenna module and mobile terminal

專(zhuān)利號(hào)
US10868355B2
公開(kāi)日期
2020-12-15
申請(qǐng)人
AAC Technologies Pte. Ltd.（SG Singapore）
發(fā)明人
Xiaojun Qiu; Bo Zhu
IPC分類(lèi)
H01Q1/24; H01Q5/328; H01Q1/50
技術(shù)領(lǐng)域
mhz,antenna,n78,n79,frame,b46,lte,bands,tdd,inductor
地域： Singapore

摘要

An antenna module includes a first antenna and a second antenna. The first antenna forms multiple operating states. By switching the multiple operating states, the first antenna supports an LTE low frequency of 698-960 MHz and an LTE medium-high frequency of 1710-2690 MHz, and supports multi-carrier aggregation in the band. In each operating state, the first antenna also operates in 5G bands of 3300-3800 MHz and 4800-5000 MHz, the second antenna operates in 5G bands of 3300-3800 MHz and 4800-5000 MHz and a new TDD-LTE band of 5150-5925 MHz. The first antenna and the second antenna together form a 2×2 MIMO of 5G bands of 3300-3800 MHz and 4800-5000 MHz. The antenna module provided by the disclosure has better communication performance.

說(shuō)明書(shū)

1 2 3 4 5 6 7 8 9 10 11

In the present embodiment, the tuning switch 75 is provided with a first inductor-connected state, a second inductor-connected state, a third inductor-connected state, and an open-circuit state. Specifically, when the tuning switch 75 is in the first inductor-connected state, the first radiation portion 10a is connected to the first ground point 72 through a first inductor L1; when the tuning switch 75 is in the second inductor-connected state, the first radiation portion 10a is connected to the first ground point 72 through a second inductor L2; when the tuning switch 75 is in the third inductor-connected state, the first radiation portion 10a is connected to the first ground point 72 through a third inductor L3; the first radiation portion 10a is electrically isolated from the first ground point 72 when the tuning switch 75 is in an open-circuit state. The values of the first inductor, the second inductor and the third inductor are 3 nH, 4.3 nH and 6.2 nH, respectively.

The antenna module covers different bands by adjusting the adjustable capacitor 74 (Tunner) and the tuning switch 75 (SW) of the first antenna. Referring to the table below for details.

TABLE 1 State SW

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