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    Sharp Rejection Techniques in High Frequency Active-RC LPF for UWB Applications


    Tuan-Phan, Anh and Farrell, Ronan and Gug-Lee, Sang (2008) Sharp Rejection Techniques in High Frequency Active-RC LPF for UWB Applications. ISAST Transactions on Electronics and Signal Processing, 3 (2). pp. 38-40.

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    Abstract

    This paper describes a sharp-rejection technique in designing active-RC LPF for MB-OFDM UWB applications. Sharp rejection is attributed to the combination of different AC characteristic of three Biquads in series. A simple operational amplifier (Op-amp) is adopted to ensure high frequency and high linear performance for the designed filter. The cutoff frequency is 264MHz, with 13dB rejection at 290MHz and about 50dB at twice bandwith. the LPF is designed in 0.13um IBM CMOS process with pass-band ripple of less that 1dB, IIP3 is 23dBm while cnsuming 8.4mA from 1.5V supply.

    Item Type: Article
    Keywords: continuous-time filters; high frequency filters; Op-amp; UWB, LPF; sharp rejection; CMOS;
    Academic Unit: Faculty of Science and Engineering > Electronic Engineering
    Item ID: 1403
    Depositing User: Dr. Ronan Farrell
    Date Deposited: 26 May 2009 12:59
    Journal or Publication Title: ISAST Transactions on Electronics and Signal Processing
    Publisher: The International Society for Advanced Science and Technology (ISAST)
    Refereed: Yes
    URI:

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