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Type: Posts; User: House_Cat

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  1. Replies
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    Closed: Re: design spiral using AutoCAD

    Here's a Lisp routine to make a spiral. If you have a newer version of AutoCad (2008-2009) the capability is built in - look for "Spiral" or "Helix" in AutoCad help
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    Closed: Re: where to find 802.15.3c standard

    They're available for free download at : http://standards.ieee.org/getieee802/
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    Closed: Re: Altium - snap when measuring

    The snap is toggled with SHIFT+E (hold shift and hit "E"). The status will be shown in the status bar at the bottom of the screen. In the newer versions of Altium, there are three settings - Off,...
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    Closed: Re: Teaching of pcb design

    Hi Kishor Jadhav,

    It looks like there might be a language problem here. Where did you read, or see, about "the Teaching"?

    If we understood the context, we might be able to answer your...
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    Closed: Re: please help me to design in altium

    First, hit the "Clear" button at the lower right corner of your PCB Editor workspace to clear any masks that might be set. Then try unchecking the box in "Preferences>>PCB Editor>>General>>Protect...
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    Closed: Re: New to Electrical Design - Please Help

    To reduce the current from 12amps (1440watts) to 5amps (600watts), you either need to use a transformer to reduce the voltage coming from the wall socket from 120vac to 50vac, or you need to increase...
  7. cst to gerber

    Hi thephuong07,

    Attached is the Gerber file for your spiral. I imported your DXF file to CAM350, poured a polygon into the empty spiral, and exported the result to a Gerber layer.

    The whole...
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    Closed: Re: PADS to PROTEL99SE Translator?

    If you find a friend with one of the newer versions of Altium Designer, they can directly import PADS files and save them to Protel99SE format.

    If you would like, I would be happy to help you out....
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    Closed: how open pcb file

    Your file is most likely a PADS binary PCB file. They put the ASCII stuff toward the end of the file.

    If you want, you can zip or rar the file and PM it to me, and I can probably get it into a...
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    Closed: Re: Altium FPGA design

    The JTAG interface in your Examples folder is a parallel port interface/adapter that allows you to connect between the parallel port on your computer and the JTAG connector on your third-party...
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    Closed: Re: Altium FPGA design

    The link has been changed to: http://www.altium.com/community/nanoboard-resources/third-party-development-boards/en/third-party-development-boards_home.cfm .

    The home page for that section is:...
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    Closed: altium vbscript

    Wouldn't you be able to accomplish what you need by processing the netlist? Trying to read that information directly from the schematic would be far more difficult than parsing a netlist.
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    Closed: convert pcad gerber file

    If you RAR or Zip your PCAD file, and PM it to me, I'd be happy to try and convert it to PDIF for you as a favor for a fellow designer. I might even be able to convert it to Allegro 16.
  14. Closed: how to use via in altium

    To place a via manually, use the shortcut PV (Place>Via). To place a via while routing, just change layers - your default via defined by your design rules will be placed when the track changes...
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    Closed: step 3d model

    Altium Designer has free online training manuals to help new users.

    http://www.altium.com/community/trainingcenter/en/training-manuals.cfm
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    Closed: altium negativ view

    The plane layers in Altium Designer are negative layers. That means that objects which can be seen on those layers are voids in the copper. You aren't seeing "outlines", you're seeing the places...
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    Closed: Re: protel 2004 - interactive routing question

    It sounds like you have a design rule set that is keeping you from routing on the bottom layer.

    If you can PM your PCB file to me, I can tell you exactly what is wrong. Be sure to zip or rar your...
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    Closed: track width pcb

    There are at least three loss modes - resistive, dielectric, and radiation.

    What frequency ranges are we talking about? That will determine which of the above need to be considered.
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    Closed: allegro pcb auto place tutorial

    There are dozens of different PCB and Schematic editors.

    Cadence Allegro, Orcad, Mentor PADS, Altium Designer, Protel, Pulsonix, Eagle, PCAD, Cadstar, etc, etc...

    In addition to the various...
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    Closed: Re: Legacy bugs in @@ltium designer

    I don't understand what you are asking.

    Legacy bugs are bugs from previous versions. All Altium is saying is that they've tried to fix all of the bugs from earlier versions before Summer 09.
    ...
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    Closed: pcb editor routing

    You need to tell us what software you are using. Each EDA software has its own way of setting up routing and placing components.
  22. Closed: protel pcb

    Your converted files have been sent as attachments to both your PM, and the address in your post.

    The converted versions look OK to me, but if you see any problems let me know.
  23. Closed: Re: plating processing

    The ENIG process is described step-by-step starting on page 7 of the PDF found at: http://www.circuitexpress.com/printed-board-prototype/pdf/IPC-4552IF%20ENIG%20Spec.pdf

    You can also find an...
  24. Closed: Re: Need help in protel DXP

    Here's an article from the old Protel Knowledge Base that tells you how to do it. The information is no longer available on the Internet since Altium switched over to a Wiki.
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    Closed: fr-4 loss tangent

    Take a look at the discussion here:

    http://www.sigcon.com/Pubs/news/4_5.htm
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