نتایج جستجو برای: integrated circuit
تعداد نتایج: 364698 فیلتر نتایج به سال:
A bolometer thermometer with a thermal capacity C is coupled to a temperature T. 0 through a heat conductivity G and receives the power.Bolometers made with a square mesh structure can be assembled. Show a wide feature of noise not explained by the basic theory. A bolometer is a device for measuring the power of incident electromagnetic radiation via the heating of a material with a temperature...
By integrating chemical reactions on a large-scale integration (LSI) chip, new types of device can be created. For biomedical applications, monolithically integrated sensor arrays for potentiometric, amperometric and impedimetric sensing of biomolecules have been developed. The potentiometric sensor array detects pH and redox reaction as a statistical distribution of fluctuations in time and sp...
The paper presents a methodology for simulating the static and dynamic performance of integrated circuits in the presence of electro-thermal interactions on the integrated circuit die. The technique is based on the coupling of a FEM program with a circuit simulator. In difference to other known simulator couplings the time step algorithm is used. Its implementation into simulation tools is desc...
ÐA study is made of the integrated circuit operational amplifier (IC op amp) to explain details of its behavior in a simplified and understandable manner. Included are analyses of thermal feedback effects on gain, basic relationships for bandwidth and slew rate, and a discussion of polesplitting frequency compensation. Sources of second-order bandlimiting in the amplifier are also identified an...
Signals and systems is an important aspect of radio science. The recent progress of the research activities of signals and systems in China is reviewed in this paper. It covers the most advanced and important developments during years of 1998~2001. The review is based on the following categories: wideband CDMA, software radio, digital audio broadcasting technologies, information processing, rad...
The integrated circuit design of a switched-capacitor filter for Bluetooth specifications is described. It was based on the optimum allocation of poles and zeros to generate a transfer function with unequal numerator and denominator orders, so that a direct-form structure with reduced number of opamps and low sensitivity to capacitor ratio errors were obtained. It was designed for implementatio...
During the past few decades advances in semiconductor technology have had only modest implications for the design and verification of integrated systems. While "deep-submicron" effects created new challenges for guaranteeing electrical integrity and necessitated the bundling of traditionally separated design steps such as logic synthesis and physical layout, the general integrated circuit desig...
Researchers at Oak Ridge National Laboratory (ORNL) are developing selectively coated cantilever arrays in a surface-micromachined MEMS process for very high sensitivities in chemical and biological sensing. Toward this end, we have developed a one-dimensional (1-D) 10-element microcantilever array that we have coated with gold for mercury sensing and palladium for hydrogen sensing. Ultimately ...
The rapidly increasing complexity and quality requirements of integrated circuit design can only be addressed effectively by a design system architecture that supports very efficient, high-quality sharing of IC design data. The OpenAccess Coalition is delivering an industry standard Application Programming Interface (API) and Information Model (IM) that provides access to a shared database as a...
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