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Altium Designer 6.6:新功能介紹 (Whats New in Altium Designer 6.6) Part.2

本主題共有 0 篇回覆,最新回覆發表於 02-24-2011, 9:39 上午,作者 tifa
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  •  02-24-2011, 9:39 上午 3883

    Altium Designer 6.6:新功能介紹 (Whats New in Altium Designer 6.6) Part.2

    Altium Designer 6.6:新功能介紹 (Whats New in Altium Designer 6.6) Part.2


    New - STEP (3D File Format) Import

    STEP, the STandard for the Exchange of Product model data
    is becoming a preferred standard for ECAD to MCAD data exchange -
    allowing transfer of 3D models between CAD applications.

    Altium Designer 6.6 expands new STEP support to include importing a 3D STEP format file
    from your preferred mechanical CAD system.

    Figure 6. Once imported and associated to components,
    3D STEP format models allow accurate representations of PCB boards
    to be created and transferred to Mechanical CAD applications.

    3D STEP models are imported into PCB3D Library files (*.PCB3DLib) files
    and then associated with the component symbol in the same way
    that other models are associated with component symbols.

    Figure 7. Imported 3D STEP components as seen in Altium Designer 6.6.

    Improved - IPC® Compliant Footprint Wizard

    Available through the Tools menu when a PCB library is the active document,
    the new IPC® Compliant Footprint Wizard creates IPC-compliant component footprints.
    Rather than working from footprint dimensions, the IPC Compliant Footprint Wizard
    uses dimensional information from the component itself in accordance with the standards released by the IPC.

    For Altium Designer 6.6, it has been enhanced by the addition of a preview window
    and support for additional package types.
    Some of the IPC Compliant Footprint Wizard enhancements include:

    • A variety of new footprint generators are included, tailored to suit your board's density -
      Chip Components (Capacitor, Inductor and Resistor),
      QFN, SOJ, SOT23 (3-Leads, 5-Leads and 6-Leads), SOT143/343 and SOT223.

      Figure 8. Quickly create IPC-compliant component footprints based on component dimensions
      in the new IPC Compliant Footprint Wizard.
    • Overall packaging dimensions, pin information, heel spacing, solder fillets
      and tolerances can be entered and immediately viewed.
    • Mechanical dimensions such as Courtyard, Assembly,
      and Component Body Information can be entered.
    • Wizard is re-entrant and allows reviewing and making adjustments easy.
      Previews of the footprint are shown at every stage.
    • The finish button can be pressed at any stage to generate the currently previewed footprint.

    New - Signal Integrity Example


    Determining how hard you can drive signals before ringing and crosstalk start to
    affect performance is directly related to finding optimum slew and drive settings for specific pins of an FPGA device.

    A new example has been added to the Signal Integrity examples folder (\Examples\Signal Integrity) that explores this.
    This example is based on one of Altium's own daughterboard designs,
    the NBP28, which features a Xilinx Spartan 3,
    a Sharp LH79520 incorporating an ARM 7 processor, SRAM and Flash RAM.

    An accompanying tutorial: [Checking Signal Integrity on an FPGA Design] explores in detail
    how you can use Altium Designer's Signal Integrity Analyzer to determine optimum Slew
    and Drive settings for the data pins of the Spartan 3 device in this design.
    The tutorial includes:

    • Setting up IBIS models for devices in your design.
    • Running reflection analyses on data lines at different Slew and Drive settings.
    • Identifying coupled nets and analyzing crosstalk.

      Figure 10. Experiment with Slew and Drive settings through the FPGA Signal Manager to see the effect on crosstalk.

    Alternatively, the document can be found directly within the \Help folder of the installation.

    Improved - Bill of Materials

    Data from both the schematic and the PCB can now be included into a single Bill of Materials (BOM) report -
    source information is based on property information taken from the PCB in the event
    you need to customize and use the report generation for more than a BOM.

    An example would be for generation of a pick and place file where every placement machine
    wants the data (such as X, Y location) in a different column order and in different file formats.

    With the required schematic or PCB documents open, select Reports » Bill of Materials.
    The Bill of Materials for Project [project_name] (PCB_document) dialog displays.
    In the parameter listing, the icon distinguishes a PCB parameter
    for one or more placed components in the project.

    Figure 11. When configuring the Bill of Materials report using the Report Manager dialog,
    simply enable the Include Parameters From PCB option.
    This option will only be available if there is a PCB document in the project file.

    Exporting your Report

    Parameters are a universal feature of Altium Designer and can be added to the project,
    a document, a component and other objects.
    Project and document parameters can be extracted from the design and included in the BOM report.

    When exporting your data from the BOM,
    you can include two new PCB document fields in your Excel templates:

    • Field=PCBDataSourceFullName - displays the full name of the PCB data source.
    • Field=PCBDataSourceFileName - displays the file name of the PCB data source.

    Improved - Drill Drawing Symbols Table

    Altium Designer 6.6 expands support for slotted holes in PCB pads with the addition of slot information
    added to the Drill Drawing Symbols table -
    providing more options for board fabrication and smoothing the process to manufacturing.
    Appropriate slot information is included at the time of output file generation.
    Improvements for slotted holes in Drill Drawing include:

    • Support for extended numbers of symbols improved to automatically
      switch to letters after the graphic symbols run out.
    • Letter symbols now automatically allow an extended sequence (A...Z, AA, AB, etc.).

      Figure 12. Enhancement for improved readability as well as
      slot information can now be viewed in the Drill Drawing.
    • Reworked for greater overall presentation, the Drill Drawing Symbols table features
      the addition of headers and column separators.
      Symbols are drawn in the table at the same height as the rest of the table text for improved legibility.
      This allows for a clearer drill drawing utilizing small symbols.


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