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An inductorless vector modulator-based radio frequency (RF) weighting circuit working from 1 to 10 GHz is presented. Amplitude and phase interdependencies were strongly reduced employing optimised attenuators. The vector modulator features a 360° phase and more than 40 dB amplitude control range with a root mean square phase and amplitude error of only 6° and 0.16 dB, respectively. These features...
An overview about research activities in the field of high frequency integrated circuits and communication systems performed within the German cluster project Cool Silicon is given. Cool Silicon is located around Dresden/Silicon Saxony/Germany and features around 50 projects and 100 partners from industry and research institutions, and aims at significantly increasing the energy efficiency of information...
The 4th generation wireless standard is ushering an era of ubiquitous connectivity. The convergence of data and voice to a portable media device is producing an explosive demand for high data rate communication. Such convergence requirements along with the need for improved battery life, smaller form factor, and reduced cost will demand new ways of system integration. The RF front-end-modules (FEM)...
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