... Click OK để thực hiện 13 Power Designer Tạ Thúc Nhu26 Power Designer Tạ Thúc NhuGIỚI THIỆU POWER DESIGNER : Power Designer là 1 công cụ thiết kế CSDL. Với Power Designer bạn có thể :• Thiết ... nghiã các thuộc tính mở rộng có các đối tượng PDM.Khởi động Power Designer: Start/All Programes/SyBase/ Power Designer Trial 11/ Power Designer Trial Object Browser Window: hiện nội dung của ... Workspace là tên của PowerDesigner session hiện hành. CDM mới sẽ được mở và lưu trong workspace. Output Window: hiển thị progression của các process mà bạn chạy từ PowerDesigner, Ví dụ tiến...
... obtain large variable gain ranges under low supply voltage. II.2 Comparison of the commonly used VGA structures The design requirements impose challenges on lowpower consumption, very large bandwidth, ... suitable for lowpower applications. (3) Summary of analog-multiplier-based VGA In summary, the multiplier-based VGA has good linearity and large gain tuning range, but it is not power efficient ... generated by the subtraction between gmp1 and gmp2. And hence, it is not suitable for low- power VGA design. II.1.3 Differential pair with source degeneration Another commonly used VGA topology...
... MAX481/MAX483/MAX485/MAX487/MAX1487 Typical Half-Duplex RS-485 Network Low- Power Shutdown Mode(MAX481/MAX483/MAX487)A low- power shutdown mode is initiated by bringingboth RE high and DE low. The devices will not shutdown unless ... MAX1487are designed for half-duplex applications.________________________Applications Low- Power RS-485 Transceivers Low- Power RS-422 TransceiversLevel TranslatorsTransceivers for EMI-Sensitive ApplicationsIndustrial-Control ... CURRENT vs.RECEIVER OUTPUT LOW VOLTAGE525MAX481-01OUTPUT LOW VOLTAGE (V)OUTPUT CURRENT (mA)1.515100.5 1.0 2.0203540450.90.1-50 -25 25 75RECEIVER OUTPUT LOW VOLTAGE vs.TEMPERATURE0.30.7TEMPERATURE...
... Responses of Butterworth Low- Pass Filters Low- Pass Filter Design 16-19Active Filter Design Techniques In order to obtain real values for R2, C2 must satisfy the following condition:C2w ... First 10 Filter OrdersPractical Design Hints16-47Active Filter Design Techniques 16.8 Practical Design HintsThis section introduces dc-biasing techniques for filter designs in single-supply applica-tions, ... Filters16-5Active Filter Design Techniques In addition, Figure 16–4 shows the transfer function of an ideal fourth-order low- pass func-tion (Curve 3).In comparison to the ideal low- pass, the RC low- pass lacks...
... be able to produce such sites, though, a Web designer needs to have a thor-ough understanding of the basics of Web design. Defining Web Design Web design is an ambiguous term. Web professionals ... 389Chapter 15 Case Study: Low- Content XHTML Template 391Creating the Design for a Low Amount of Content 392Understanding the Strengths and Weaknesses of theChosen Design. . 392Adding Guides ... issue for Web designers. In the 1990s, a Web designerneeded to decide whether to design for a graphical browser, such as Mosaic orNetscape, or a text browser, such as Lynx. As users slowly updated...
... modems.Designing for a higher resolution does not necessarily mean that the designerneed disregard monitors with lower resolutions. One trick that designers fre-quently use is to design a ... and a site map/flowchart): These are the heart of a require-ments document, at least for a designer. They give the specific deta ils on design, content, and functionality that a designer needs ... these two documents that a designer bases the design, site architecture, and navigation.When collecting requirements, there are three rules a designer would be wise to follow:1. Document everything:...
... judgmentof the designer, there are two who would prefer that a design look the waythey desire. It is always amazing how quickly a design can change for theworse, at least in the designer’s viewpoint. ... important, therefore, thatthe designer not become attached to a design. The paying client has the finalsay. If there is an affinity for a specific design look, the designer can alwaysask for ... GWXFollowing are some of the various attributes of the new design: 1. There was a dominance of yellow, which gave the site the fresh, upbeat,professional look desired. However, because yellow...