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    Wyświetlanie 1-5 z 5
    Tytuł:
    gC-Studio – the environment for automated filter design
    Autorzy:
    Katarzynski, P.
    Melosik, M.
    Handkiewicz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/201387.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    gyrator-capacitor prototype circuits
    filter approximation
    EDA
    CAE
    Opis:
    The paper presents the idea of software suite integrating the tools supporting the analog filter design. It uses the prototype circuits that are composed of gyrators and capacitors. The essential, behavioral parameters are characterised for the filtering structures. The basic assumptions formulated before the implementation are also mentioned. The structure of the software suite is discussed, its functional properties and the implementation issues are mentioned. The resulting software brings the automation of designing SISO filters as well as the filter pairs. In the proposed solution the VHDL-AMS language is assumed as the formal method of hardware description.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2013, 61, 2; 541-544
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    SI-Studio : environment for SI circuits design automation
    Autorzy:
    Szczęsny, S.
    Naumowicz, M.
    Handkiewicz, A.
    Powiązania:
    https://bibliotekanauki.pl/articles/201671.pdf
    Data publikacji:
    2012
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    SI circuits
    layout
    AMPLE
    analogue circuits
    design automation
    Opis:
    The current work is an answer to the problem of designing switched-current (SI) circuits, which is usually a complex issue in the field of microelectronics. The mentioned task is a source of many mistakes and takes a lot of time for designers, therefore authors of the article decided to propose a software solution. This article presents an environment for design automation of analogue circuits in the switched currents technique. It points out the utility advantages of the described tools, which make the work of a VLSI designer much easier, moreover offering a possibility to parameterise the design process considering power consumption, chip area usage and its working speed. It also presents results of an automatic generation of a filter pair circuit, as well as a DCT circuit - automatically generated with the proposed SI-Studio software tools.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2012, 60, 4; 757-762
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Analogue CMOS ASICs in image processing systems
    Autorzy:
    Jendernalik, W.
    Blakiewicz, G.
    Handkiewicz, A.
    Melosik, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/221661.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    analog CMOS circuits
    early vision processing
    switched current filters
    Opis:
    In this paper a survey of analog application specific integrated circuits (ASICs) for low-level image processing, called vision chips, is presented. Due to the specific requirements, the vision chips are designed using different architectures best suited to their functions. The main types of the vision chip architectures and their properties are presented and characterized on selected examples of prototype integrated circuits (ICs) fabricated in complementary metal oxide semiconductor (CMOS) technologies. While discussing the vision chip realizations the importance of low-cost, low-power solutions is highlighted, which are increasingly being used in intelligent consumer equipment. Thanks to the great development of the automated design environments and fabrication methods, new, so far unknown applications of the vision chips become possible, as for example disposable endoscopy capsules for photographing the human gastrointestinal tract for the purposes of medical diagnosis.
    Źródło:
    Metrology and Measurement Systems; 2013, 20, 4; 613-622
    0860-8229
    Pojawia się w:
    Metrology and Measurement Systems
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Switched Current Sigma-Delta Modulator with a New Comparator Structure Designed Based on VHDL-AMS Description
    Autorzy:
    Śniatała, P
    Handkiewicz, A
    Naumowicz, M.
    Szczęsny, S.
    Melosik, M.
    Katarzyński, P.
    Kropidłowski, M.
    Powiązania:
    https://bibliotekanauki.pl/articles/227188.pdf
    Data publikacji:
    2013
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    switched current
    VHDL-AMS
    sigma-delta modulator
    Opis:
    The paper presents a VHDL-AMS based approach to the Switched-Current (SI) Sigma-Delta Modulator design. The prototype VHDL-AMS description, with the help of elaborated EDA tools, is automatically translated into the SI realization. Another tool helps the designer to create the layout. The paper also describes a new current mode comparator, which is used in the design. Postlayout simulation results are presented.
    Źródło:
    International Journal of Electronics and Telecommunications; 2013, 59, 4; 391-396
    2300-1933
    Pojawia się w:
    International Journal of Electronics and Telecommunications
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
    Tytuł:
    Current mode sigma-delta modulator designed with the help of transistor’s size optimization tool
    Autorzy:
    Śniatała, P.
    Naumowicz, M.
    Handkiewicz, A.
    Szczęsny, S.
    Melo, J. L. A.
    Paulino, N.
    Goes, J.
    Powiązania:
    https://bibliotekanauki.pl/articles/201254.pdf
    Data publikacji:
    2015
    Wydawca:
    Polska Akademia Nauk. Czytelnia Czasopism PAN
    Tematy:
    sigma-delta
    current comparator
    CAE
    komparator
    Opis:
    The paper presents a second order current mode sigma-delta modulator designed with the help of a new elaborated tool to optimize the transistor sizes. The circuit is composed of two continuous time loop filters, a current comparator and a one bit DAC with a current output. The resulting circuit, designed in a 65 nm 1.2 V CMOS technology, has a bandwidth of 2 MHz for a clock frequency of 250 MHz. The electrical simulation results show that it achieves a maximum signal-to-noise-plus-distortion ratio (SNDR) of 53.6 dB while dissipating 93 μW, which corresponds to an efficiency of 59.7 fJ/conv. The fully current mode structure makes the circuit suitable to be applied in a current mode signal processing like biosensors or image pixels arrays.
    Źródło:
    Bulletin of the Polish Academy of Sciences. Technical Sciences; 2015, 63, 4; 919-922
    0239-7528
    Pojawia się w:
    Bulletin of the Polish Academy of Sciences. Technical Sciences
    Dostawca treści:
    Biblioteka Nauki
    Artykuł
      Wyświetlanie 1-5 z 5

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