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A versatile 60-GHz phased-array transmitter chipset is developed in a 90-nm CMOS technology for broadband radio-over-fiber (RoF) applications. The chipset consists of a 60-GHz transmitter and a 60-GHz RF beamformer. The optical part of the system is implemented using commercial components. The up conversion of the 60-GHz RoF can be processed using all-optical approach with the beamformer to provide...
A chopper stabilized front-end with an active dc-suppressed topology used to record extracellular neural action potentials and local field potentials is presented in this paper. An active dc-suppressed topology, such as a bandpass filter, containing an amplifier with an integrator on the feedback path, suppresses baseline drift and assures weak inversion operations of input stages of the proposed...
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