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Type: Posts; User: Qaisar Azeemi

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  1. Replies
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    Closed: Re: warming up an electrical genarator

    why is it not so in case of cars? we start them easily even if they are cool. they have same engines as we use in generators?

    secondly what is the reason behind that a loaded engine or motor can't...
  2. Replies
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    861

    Closed: Re: warming up an electrical genarator

    Thank you.
    Yes i am talking about generators whose alternators are rotated with the help of Gas or Diesel Engine.

    here another question rises that Electrical part has nothing to do with the...
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    Closed: warming up an electrical genarator

    Hi,

    I can't find appropriate category for my this question. I request you to answer.

    why is it necessary to warm up an electrical generator for a few seconds before transferring the load on it?...
  4. Closed: i want to impliment PI and PID controllers using microcontroller, please help

    Hi all friends,

    I want to implement PI and PID controllers using microcontroller to make a CCPWM (Constant current pulse width modulator). need to make an algorithm for it.

    help required from...
  5. Closed: Re: Proteus ISIS suddenly Crashes on Simulation

    I have Redrawn the circuit in Proteus 8.0 and start simulation but Unfortunately it is also crashing after only a minute of simulation :( ................. :( .........
  6. Closed: Re: Proteus ISIS suddenly Crashes on Simulation

    pds.exe has stopped working ...

    the schematic file that i've made in proteus 8.1 is now not working on proteus 8.0, and giving the error pds.exe has stopped working. :(
    kindly Help
  7. Closed: Re: Proteus ISIS suddenly Crashes on Simulation

    Yes i am using it as administrator.

    Thanks Alertlinks, i am going to use proteus 8.0 and and let you know the result then.

    thanks again :)
  8. Closed: Proteus ISIS suddenly Crashes on Simulation

    Hi,

    I am using Proteus8.1 sp1 on my windows 7. I also checked it on windows 8 but on both It Suddenly Crashes after few mints of simulation.

    To solve the Problem I have Completely Uninstalled...
  9. Closed: light wave length and refrective index relationship in Fiber optics

    hi all;
    i dont know if it is a right place for this post or not but i think it is related to basic electronics.

    i want to know about the relationship between light wave length and refractive...
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    Closed: post processor problem in orcad

    hi!
    i am using orcad9.2 for my design. i am facing a problem in post processor. when i completed my routing i went to options--> post processor settings and get a blank screen with no layer...
  11. Closed: Error in whole layout in orcad9.2, error after DRC and not making gerber file......

    hi all!
    i have designed a whole layout in orcad layout plus. but in the end when i try to make gerber file it gives the option that gerber viewer can't open the gerber file.

    it is giving the...
  12. Replies
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    [SOLVED]Closed: Re: getting footrint error in orcad 9.2

    thank you alen ... i come across another problem regarding foot print creation... i make a foot print for led as shown in the figure below...

    84918

    here if you see in left hand side i sketched...
  13. Replies
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    6,043

    [SOLVED]Closed: Re: getting footrint error in orcad 9.2

    thank you alan. kindly help me regarding my #23rd post above.
  14. Replies
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    6,043

    [SOLVED]Closed: Re: getting footrint error in orcad 9.2

    thank you very much spudboy. please tell me one another thing... when i make a gerber file and sent it to manufacturer to make boards for me.... so how will it determine the size and other...
  15. Replies
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    6,043

    [SOLVED]Closed: Re: getting footrint error in orcad 9.2

    i have created the gerber file in orcad using AUTO----> run post processor menu..... but there i didn't find any option of viewing gerber file... in TOOLS menu i didn't find any gerbtool...
  16. Replies
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    6,043

    [SOLVED]Closed: Re: getting footrint error in orcad 9.2

    thank you spudboy. can you please give a brief discription about all layers used in PCB? any artical? pdf note?
  17. Replies
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    6,043

    [SOLVED]Closed: Re: getting footrint error in orcad 9.2

    my pcb is single sided designed for through hole components. so what is the use of SMT layer????

    what is FAB drawing?
  18. Replies
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    [SOLVED]Closed: Re: getting footrint error in orcad 9.2

    Shortly... i want to remove the green blocks and yellow line of jumper form my pcb to get the bottom copper layer only.. how to proceed for that?
    84433

    compare it with the fig below.
    84434
    ...
  19. Replies
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    [SOLVED]Closed: Re: getting footrint error in orcad 9.2

    I have successfully design my pcb on orcad9.2.. please see it in figure.
    84397

    now i have a few problems:
    1)I want to print the bottom and SSTOP layers sepretely on white A4 size...
  20. Replies
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    6,043

    [SOLVED]Closed: Re: getting footrint error in orcad 9.2

    thank you spudboy. i resized the size of the board but can't find the AST layer in your indicated manu where top layer was selected. it is only showing 0,1,2,21,25,26 layers. rest of the layers are...
  21. Replies
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    6,043

    [SOLVED]Closed: Re: getting footrint error in orcad 9.2

    Acctually in layout the diode footprint pads were marked as A and C while in capture the number of pins for anode and cathode were given 1 and 2 respectively. so i just change the footprint pads...
  22. Replies
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    [SOLVED]Closed: Re: getting footrint error in orcad 9.2

    Thanks a lot Mr Alan. the problem was only in pin compatibility. the problem is solved now.. thanks again.
  23. Replies
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    [SOLVED]Closed: Re: getting footrint error in orcad 9.2

    no i am not creating any schemetic symbol or footprint.. i am using build in liabraries. i used diode DIODE 34/DD in capture cis and used DAX/1N_4001-4007 as footprint in layout. but it is showing...
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    Closed: Re: help required in cadance orcad

    thank you very much dehati. your given links helped me alot. kindly see the following thread. i am now in trouble in assinging footprints to the components.
    ...
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    [SOLVED]Closed: Re: getting footrint error in orcad 9.2

    i checked it many times .. the number of pins of footprint and that of schemetic are the same.. the problem is some what more technical that i can't understand.... :-(
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