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 Community Search 

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  • Re: V16.5 and Windows 8.1
    Yeah I ran 16.6 before as well, just wondering about 16.5
    Posted to PCB Design (Forum) by AndyK1 on Thu, Mar 13 2014
  • V16.5 and Windows 8.1
    I am getting a new laptop at work and mor ethan likely it is going to be a Windows 8.1 laptop. The OrCade version we use at work is 16.5 and our IT does not officially support it under Windows 8.1. I am wondering if it would work on a Win 8.1 enviroment, or if there are any workarounds to get it to work.  
    Posted to PCB Design (Forum) by AndyK1 on Thu, Mar 13 2014
  • Re: Worst Case Analysis Simulation of a Voltage Regulator
    You sir saved me a lot of headache with this simple workaround. If you were near by I would buy you lunh or a beer. 
    Posted to PCB Design (Forum) by AndyK1 on Wed, Jul 17 2013
  • Worst Case Analysis Simulation of a Voltage Regulator
    I would like to be able to run a worst case analysis on a circuit that contains a oltage regulator. As an example the LM117 has a fluctiation of +-%8 between its nodes, which varies the nominal voltage difference which is set at 1.25V (as intended) anywhere between 1.15 to 1.35 volts. At moment I put in the voltage regulator in the circuit, edit ...
    Posted to PCB Design (Forum) by AndyK1 on Wed, Jul 17 2013
  • Re: Trouble with creating new pspice library
    That worked, thank you very much. 
    Posted to PCB Design (Forum) by AndyK1 on Mon, Jul 8 2013
  • Trouble with creating new pspice library
    Hello guys ,  I am trying to create a custom OLB file for pspice, for that I start by creating a .lib text file so I can convert it to OLB using the model editor. In the .lib file I type  *$ .model Cbreak CAP C=1 dev=21.19% *$    so I would have a part named Cbreak, that would as the CAP definition suggests and has a ...
    Posted to PCB Design (Forum) by AndyK1 on Wed, Jul 3 2013
  • Automated way of creating Pspice models
    I am not sure where this post fits so I am posting it on the section with the most amount of posts.  I am working on multiple sheet excel files that contain Worst case databses. These databases have information on how a specific resistor or capacitor will behave under certain space conditions. For example it can say something like part ...
    Posted to PCB Design (Forum) by AndyK1 on Thu, Jun 27 2013
  • Using Parameters in Pspice models
    Is this possible? As an example I set R1VAL to 10 using a parameter block. Then I edit the model of an Rbreak resistor and type .model Rbreak RES R={2*5} dev=1% I set the value of the resistor to  {R1val*10} and it behaves like 1k 1% resistor. No problems up to here.  The problems starts when I try to use the R1val parameter in the ...
    Posted to PCB Design (Forum) by AndyK1 on Thu, Jun 20 2013
  • Re: Pspice Model editor commands and capabilities.
    Thank you that did work. What is going on with the E models with only 2 parameters and the "Value" statement?  Does that calculate the voltage that should appear between those two nodes, instead of physically connecting them to a source? Is this the only place to use Value? Actually what does the Value statement do?  
    Posted to PCB Design (Forum) by AndyK1 on Thu, Jun 20 2013
  • Re: Pspice Model editor commands and capabilities.
    I am looking at the Pspice model of an LM117 Voltage regulator and I cannot decipher these lines of code. That document that you linked does not have any explanation on the  EFB, EB and EP type devices. ESC 11 OUT VALUE(5.646-0.1125*V(6,5)*V(13,5) EFB 12 OUT VALUE {7.886-0.3727*V(13,5)+0.005097*V(13,5)*V(13,5)-0.02*V(13,5)*V(6,5)} . E EB 7 ...
    Posted to PCB Design (Forum) by AndyK1 on Tue, Jun 18 2013
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