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Miniaturization of communication devices has initiated towards the integration of passive and active radio frequency devices on the single chip in order to reduce the size and cost of the systems. Recent advancement in three-dimensional fabrication technologies in conventional CMOS process is leading to a system-on-chip integration in which RF devices are among the candidates to be integrated. Microwave...
In this paper, design techniques for an integrated RF bandpass filter are discussed. A novel wide-tuning high-Q active bandpass filter utilizing the active inductors is presented. Issues of the active inductor related to Q -enhancement, noise, linearity, and stability are considered. The circuit has been fabricated in an 0.18-mum CMOS process, and the filter occupies the active area of 150 times 200...
This paper presents a 4th order RF bandpass filter based on active inductor. In the filter, a design technique for a high-Q CMOS active inductor operating in the wide RF-band is described. Simulated performance is shown that the center frequency of filter using a 0.25-mum CMOS process can be operated at the 1.81-2.45GHz frequency band under a 1.8V power supply
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