Amplificador e misturador de baixo ruído integrados para comunicação sem-fio na faixa de 50MHz a 5GHz

TL;DRAbstract

The increase in the number of users as well as the demand for higher data transfer rate is driving development of new technologies, since the classical communication is reaching its saturation.Videos in high definition, video-conference calls and high-speed downloads are no longer a special feature to become basic, offering constant challenges at all levels in the design of a device.Currently, the way adopted to create a wireless communication channel is based on the modulation of interesting information about a much higher frequency, called carrier.For each protocol, a reserved bandwidth of the spectrum has been assigned, however, depending on the region and the number of users sharing the band, it tends to have saturated the band, reducing the communication ability of each user.Often, there are scenarios where some bands are extremely busy and neighboring regions in the spectrum are completely empty.In order to operate the spectrum with higher intelligence emerged with the concept of

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