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        Design of a fourth-order continuous-time filter for UWB receivers

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        904215.pdf (PDF, 632Kb)
        Author
        Zhu, X.
        Moritz, J.
        Sun, Y.
        Attention
        2299/4744
        Abstract
        The design and implementation of a CMOS current- mode fourth-order Butterworth continuous-time leap-frog (LF) multiple loop feedback (MLF) lowpass filter is described. The filter is implemented using a fully-differential linear, low voltage and low power operational transconductance amplifier (OTA). PSpice simulations using a standard TSMC 0.18 mum CMOS process with 1.5 V power supply have shown that the cut-off frequency of the filter ranges from 240 MHz to 300 MHz and dynamic range is about 58 dB at 240 MHz of cut-off frequency. The power consumption of the filter is only from 22.3 to 55 mW. The total output noise density is about 390 nA/VHz.
        Publication date
        2007
        Published in
        Norchip,
        Published version
        https://doi.org/10.1109/NORCHP.2007.4481072
        Other links
        http://hdl.handle.net/2299/4744
        Relations
        School of Engineering and Technology
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