Sra-Ium, Napat

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Sra-Ium, Napat
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Sra-ium, Napat
Sra-ium, N.
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napat.sr@kmitl.ac.th

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    Item type:Publication,
    New current-controlled current-mode multifunction filter using translinear current conveyors
    (2008-12-01)
    Kumngern, Montree
    ;
    Sra-ium, Napat
    ;
    Dejhan, Kobchai
    A new current-mode universal biquadratic filter with two inputs and two outputs employing only two translinear current conveyors with controlled gain and two grounded capacitors is proposed. The proposed circuit offers the following features: realization of lowpass, bandpass, highpass, bandstop and allpass current responses from the same configuration, no requirements for component-matching conditions, independent current control of the natural frequency and the quality factor, low active and passive sensitivities, minimum active and passive components, high impedance output. The characteristics of the proposed circuit are simulated using PSPICE to confirm the theory. © 2008 IEEE.
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    Enhancing network performance with TCP configuration
    (2008-12-01)
    Sra-Ium, Napat
    ;
    Dejhan, Kobchai
    Presently, the INTERNET network has been considerably congested due to the excessive use of the service. Because the current TCP Reno, a protocol suite in a transport layer, doesn't correlate to the use in WWW scenario, the overall performances of a network are subjected to be laborious to amend. In this paper, we propose the technique to improve the performance of the TCP in a congestion condition. By using the modification algorithm based on TCP Vegas, we could showing how control parameters of TCP Vegas should be configure for achieving better both performance and better throughput. © Springer Science+Business Media B.V. 2008.