Wireless communication device
A wireless communication device, radio frequency signal technology, applied in wireless communication, electrical components, transmission systems, etc., can solve the problems of complex circuit structure, unfavorable miniaturization of mobile phones, and increased design costs.
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[0010] see figure 1 , a preferred embodiment of the present invention provides a wireless communication device 100, which can be a mobile phone, a personal digital assistant (Personal Digital Assistant, PDA) and the like.
[0011] The wireless communication device 100 can work in the first radio frequency mode and the second radio frequency mode, so as to respectively send and receive the first type radio frequency signal and the second type radio frequency signal which have substantially the same frequency. In this embodiment, the first radio frequency mode is a GSM mode, and the first type radio frequency signal is a GSM850 signal. The second radio frequency mode is a WCDMA mode, and the second type radio frequency signal is a WCDMA Band 5 signal. The working frequencies of the GSM850 signal and the WCDMA Band 5 signal are both about 850MHz.
[0012] The wireless communication device 100 includes a controller 10 , a first switch 20 , a power amplifier 30 , a second switch ...
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