A CMOS 750MHz fifth-order continuous-time linear phase lowpass filter with gain boost

X. Zhu, Y. Sun, J. Moritz

    Research output: Chapter in Book/Report/Conference proceedingConference contribution

    9 Citations (Scopus)
    48 Downloads (Pure)

    Abstract

    The design and implementation of a CMOS continuous-time multiple loop feedback (MLF) leap frog (LF) filter is described. The filter is implemented using a fully-differential linear, low voltage operational transconductance amplifier (OTA). PSpice simulations using a standard TSMC 0.18 mum CMOS process with 1.8 V power supply have shown that the cut-off frequency of the filter ranges from 455 MHz to 780 MHz and dynamic range is about 58 dB. The group delay is less than 5% over the whole tuning range; the maximum power consumption of the filter with gain boost is only 240 mW.
    Original languageEnglish
    Title of host publicationProcs IEEE Int Symposium on Circuits & Systems
    Subtitle of host publicationISCAS 2008
    PublisherInstitute of Electrical and Electronics Engineers (IEEE)
    Pages900-903
    ISBN (Print)978-1-4244-1684-4
    DOIs
    Publication statusPublished - 2008

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