Browsing Engineering by Subject "Radio frequency"
Now showing items 1-4 of 4
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CMOS RFIC amplifiers design for wideband sub-3 GHz and 28-30 GHz millimeter wave applications
(2017) [Thesis]This thesis presents two hardware options to help solve the problem of spectrum saturation in wireless communications from 2014 to 2018. Both options require the operation of a Radio Frequency Integrated Circuits (RFIC) ... -
Desenvolvimento e análise de compatibilidade eletromagnética de equipamentos utilizados nas atividades de elevação de pessoas
(2020) [Dissertation]Inspeção e manutenção em linhas de transmissão e distribuição de alta tensão de energia elétrica precisam ser realizadas sem interrupção no fornecimento de energia e para realizá-las há necessidade de máquinas para transporte ... -
Design of CMOS active downconversion mixers for gigahertz multi-band and multiple-standard operation
(2014) [Dissertation]The linearity and noise requirements in multi-band multi-standard applications make the design of RF CMOS mixers a very challenging task. In this dissertation two downconversion mixers based on the Gilbert-cell topology ... -
Inductorless balun low-noise amplifier (LNA) for RF wideband application to IEEE 802.22
(2014) [Dissertation]A new 50 MHz - 1 GHz low-noise amplifier circuit with high linearity for IEEE 802.22 wireless regional area network (WRAN) is presented. It was implemented without any inductor and offers a differential output for balun ...