Khalid Faitah

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This paper aims to study the design of a low-power single-balanced mixer for downconversion in wireless RF receivers. The proposed circuit is designed to work at a radiofrequency of 1.9GHz using CMOS 0.18 µm technology. The obtained results show a conversion gain equal to 7 dB and low power consumption of 3.86mW at 1.8.V supply voltage. The single side(More)
The present work consists of designing a Single Balanced Mixer (SBM) with the 65 nm CMOS technology, this for a 1.9 GHz RF channel, dedicated to wireless applications. This paper shows; the polarization chosen for this structure, models of evaluating parameters of the mixer, then simulation of the circuit in 65nm CMOS technology and comparison with(More)
This paper presents an approach to detect and estimate drop of gearbox efficiency in wind turbine systems. First, shaft torque is estimated through a specified model. The last estimation torque is used to detect gearbox efficiency drop through a proportional action loop. The approach was implemented on FAST coded simulator, designed by the US National(More)
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