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    Wyświetlanie 1-3 z 3
    Tytuł:
    Analog Reconfirable Circuits
    Autorzy:
    Malcher, A.
    Falkowski, P.
    Powiązania:
    https://bibliotekanauki.pl/articles/226956.pdf
    Data publikacji:
    2014
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    analog signal processing
    configurable analog block
    CAB
    dynamic reconfiguration
    field programmable analog array
    FPAA
    switched capacitor circuits
    Opis:
    The aim of this paper is to present an overview of a new branch of analog electronics represented by analog reconfigurable circuits. The reconfiguration of analog circuits has been known and used since the beginnings of electronics, but the universal reconfigurable circuits called Field Programmable Analog Arrays (FPAA) have been developed over the last two decades. This paper presents the classification of analog circuit reconfiguration, examples of FPAA solutions obtained as academic projects and commercially available ones, as well as some application examples of the dynamic reconfiguration of FPAA.
    Źródło:
    International Journal of Electronics and Telecommunications; 2014, 60, 1; 15-26
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Fast Determination of Similarity Between Two Vectors by Means of Analog CMOS Technique
    Autorzy:
    Wojtyna, R.
    Powiązania:
    https://bibliotekanauki.pl/articles/226703.pdf
    Data publikacji:
    2010
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    hardware signal processing
    fast Euclidean distance calculation
    analog CMOS circuits
    Opis:
    In this paper, an analog approach to determining a resemblance between two multidimensional vectors is proposed. As the resemblance measure, Euclidean distance is used. The main advantage of the presented method is a very high speed of the Euclidean-distance-measure calculations. The achieved high speed results from the fact that most of arithmetic operations needed to realize the calculations are carried out in parallel. This concerns the required operations of squaring a difference of two corresponding components of the compared vectors. Operating in a transconductane mode (voltage difference squaring transconductors) and a current mode (output square-root extracting circuit), our CMOS circuit is power saving. Its low-power operation results from the fact that sub-circuits of our calculator responsible for the squaring operations (a great number of them in case of large multidimensional vectors) consume no power in the absence of input signals. This takes place when corresponding components of the compared vectors are both equal to zero. The circuit also consumes a reasonably low amount of energy when processing (comparing) a different from zero input data (corresponding vector components). A simplified description of the applied differential squaring transconductors as well as the output current-mode square-root extraction circuit is given and a problem of good cooperation between them is discussed and proper solutions indicated. SPICE simulation results are shown to be in a good agreement with the theory presented.
    Źródło:
    International Journal of Electronics and Telecommunications; 2010, 56, 4; 417-422
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Application of the FPAA to Sample Input Signal for Laboratory Exercise: Pulse Amplitude Modulation
    Autorzy:
    Grzechca, Damian
    Chruszczyk, Lukas
    Powiązania:
    https://bibliotekanauki.pl/articles/227335.pdf
    Data publikacji:
    2020
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    field programmable analog array (FPAA)
    signal processing
    pulse amplitude modulation (PAM)
    student laboratory
    Opis:
    This paper presents exemplary exercise on the fundamentals of signal processing course which is offered for second year bachelor level students. Application of Field Programmable Analog Array (FPAA) for pulse amplitude modulation (PAM) exercise is described with signal processing laboratory. There are presented two methods for implementing PAM modulation and demodulation technique in FPAA module. Example configuration files are available form Authors’ web site.
    Źródło:
    International Journal of Electronics and Telecommunications; 2020, 66, 1; 25-28
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-3 z 3

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