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Wyniki 1-2 spośród 2 dla zapytania: authorDesc:"KHALIL ARSHAK"

» Predicting and controlling FPGA device heat using system monitor and IBERT

CHRISTIAN SERGE IBALA

KHALIL ARSHAK

Electronic Systems development is becoming more and more complex, fast and powerful and power consuming. Indeed the transistor miniaturisation dramatically increases the power consumed by the whole chip [1]. These lead designers to think of different design approach such as Multibooting or Partial Reconfiguration to reduce the amount of logic present in the chip at the given time. The Multiboot is a feature that allows the FPGA to selectively load its bitstream from attached PROM containing two or more bitstream. Once a MultiBoot operation is triggered, the FPGA restarts its configuration process as usual, and the FPGA clears its configuration memory and reconfigures from the PROM with the new bitstream. FPGA that is reprogrammed to perform multiple functions can replace a muc[...] więcej»
w zeszycie ELEKTRONIKA - KONSTRUKCJE, TECHNOLOGIE, ZASTOSOWANIA 2009/12

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» Study of IDE as a sensor head for interfacing with handheld electrochemical analyzer system

Vijayalakshmi Velusamy

Khalil Arshak

Olga Korostynska

Catherine Adley

Electrochemical biosensors have been receiving more attention in recent years since they are simple to use, cost-effective, offer high sensitivity and suitable for in situ analysis [7-10]. Applications are mainly focused on food quality monitoring for the detection of foodborne pathogens [11], environmental quality monitoring for the detection of contamination of potable water resources due to pathogenic micro organisms and industrial by-products [12, 13] and in biosecurity for the detection of biowarfare agents [14]. An electrochemical sensor is an electrical device in which the biological and/or the chemical information are converted to an electrical signal, which is then processed and recorded for further analysis. Towards the development of an electrochemical analyzer system, a sensor was initially designed that may be interfaced with the handheld system comprising both the potentiostat and the impedance analyzer. In biosensors the lower limit of detection is a big challenge and numerous electrode geometries have been developed during the past decade to address this problem. Among various electrode geometries IDE have advantage in bioanalytical applications. A thick-film gold IDE was employed in this research and it was prepared by screen printing technique. Thick-film sensors are advantageous since it is compact, robust and relatively cost-effective. It is possible to mass produce from macro- to microscale, with greater reproducibility. However, the applicability of the technology is limited to a possible minimum line width (100 μm) [15]. The planar IDE sensors based on thick films are very wellsuited to integrate with electronic circuits. The IDE sensors can be combined with other planar technologies like plasma/chemical vapor deposition for surface modification. The device produced by the thick-film technique has the ability to facilitate as a supporting structure upon which other sensing materials can be deposited[...] więcej»
w zeszycie ELEKTRONIKA - KONSTRUKCJE, TECHNOLOGIE, ZASTOSOWANIA 2012/1

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