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  • S参数的设计与应用

    Agilent AN 154 S-Parameter Design Application Note S参数的设计与应用 The need for new high-frequency, solid-state circuitdesign techniques has been recognized both by microwaveengineers and circuit designers. These engineersare being asked to design solid state circuitsthat will operate at higher and higher frequencies.The development of microwave transistors andAgilent Technologies’ network analysis instrumentationsystems that permit complete network characterizationin the microwave frequency rangehave greatly assisted these engineers in their work.The Agilent Microwave Division’s lab staff hasdeveloped a high frequency circuit design seminarto assist their counterparts in R&D labs throughoutthe world. This seminar has been presentedin a number of locations in the United States andEurope.From the experience gained in presenting this originalseminar, we have developed a four-part videotape, S-Parameter Design Seminar. While the technologyof high frequency circuit design is everchanging, the concepts upon which this technologyhas been built are relatively invariant.The content of the S-Parameter Design Seminar isas follows:

    标签: S参数

    上传时间: 2013-12-19

    上传用户:aa54

  • XAPP452-Spartan-3高级配置架构

    This application note provides a detailed description of the Spartan™-3 configurationarchitecture. It explains the composition of the bitstream file and how this bitstream isinterpreted by the configuration logic to program the part. Additionally, a methodology ispresented that will guide the user through the readback process. This information can be usedfor partial reconfiguration or partial readback.

    标签: Spartan XAPP 452 架构

    上传时间: 2013-11-16

    上传用户:qingdou

  • XAPP098 - Spartan FPGA低成本、高效率串行配置

    This application note shows how to achieve low-cost, efficient serial configuration for Spartan FPGA designs. The approachrecommended here takes advantage of unused resources in a design, thereby reducing the cost, part count, memory size,and board space associated with the serial configuration circuitry. As a result, neither processor nor PROM needs to be fullydedicated to performing Spartan configuration.In particular, information is provided on how the idle processing time of an on-board controller can be used to loadconfiguration data from an off-board source. As a result, it is possible to upgrade a Spartan design in the field by sending thebitstream over a network.

    标签: Spartan XAPP FPGA 098

    上传时间: 2013-11-01

    上传用户:wojiaohs

  • 开关电源EMI设计(英文版)

    Integrated EMI/Thermal Design forSwitching Power SuppliesWei ZhangThesis submitted to the Faculty of theVirginia Polytechnic Institute and State Universityin partial fulfillment of the requirements for the degree of Integrated EMI/Thermal Design forSwitching Power SuppliesWei Zhang(ABSTRACT)This work presents the modeling and analysis of EMI and thermal performancefor switch power supply by using the CAD tools. The methodology and design guidelinesare developed.By using a boost PFC circuit as an example, an equivalent circuit model is builtfor EMI noise prediction and analysis. The parasitic elements of circuit layout andcomponents are extracted analytically or by using CAD tools. Based on the model, circuitlayout and magnetic component design are modified to minimize circuit EMI. EMI filtercan be designed at an early stage without prototype implementation.In the second part, thermal analyses are conducted for the circuit by using thesoftware Flotherm, which includes the mechanism of conduction, convection andradiation. Thermal models are built for the components. Thermal performance of thecircuit and the temperature profile of components are predicted. Improved thermalmanagement and winding arrangement are investigated to reduce temperature.In the third part, several circuit layouts and inductor design examples are checkedfrom both the EMI and thermal point of view. Insightful information is obtained.

    标签: EMI 开关电源 英文

    上传时间: 2013-11-16

    上传用户:萍水相逢

  • a set of cross-platform tools that is useful for programming the GBA written in Java.

    a set of cross-platform tools that is useful for programming the GBA written in Java.

    标签: cross-platform programming written useful

    上传时间: 2015-01-06

    上传用户:yd19890720

  • 这是Half rate speech(GSM 06.20)

    这是Half rate speech(GSM 06.20)

    标签: speech 06.20 Half rate

    上传时间: 2013-12-11

    上传用户:q123321

  • CGAL is a collaborative effort of several sites in Europe and Israel. The goal is to make the most i

    CGAL is a collaborative effort of several sites in Europe and Israel. The goal is to make the most important of the solutions and methods developed in computational geometry available to users in industry and academia in a C++ library. The goal is to provide easy access to useful, reliable geometric algorithms

    标签: collaborative several Europe Israel

    上传时间: 2015-01-09

    上传用户:refent

  • A Library of Efficient Data Types and Algorithms,封装了常用的ADT及其相关算法的软件包

    A Library of Efficient Data Types and Algorithms,封装了常用的ADT及其相关算法的软件包

    标签: Algorithms Efficient Library Types

    上传时间: 2014-01-10

    上传用户:fhzm5658

  • PQP is a library for performing three types of proximity queries on a pair of geometric models compo

    PQP is a library for performing three types of proximity queries on a pair of geometric models composed of triangles:

    标签: performing geometric proximity library

    上传时间: 2014-01-13

    上传用户:love_stanford

  • source code to compute the visibility polygon of a point in a polygon.

    source code to compute the visibility polygon of a point in a polygon.

    标签: polygon visibility compute source

    上传时间: 2015-01-09

    上传用户:wpt