Why is my oscillogram of a simulated multivibrator wrong?

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• Problem of Simulation multivibrator

  Hello

  I'm trying to simulate a simple multivibrator which I intend to use it to generate a square wave. I use this circuit:

  

  I think that there is no problem with this circuit. Almost everywhere, I found this structure.

  In virtually, the tour starts to work because of differences in the elements. Circuit was symmetrical, he started working in the simulation. To work around this problem, I tried to:

  * Initailze one of the capacitor

  Change of values of transistors Bf

  * Take one of them as 2N2222A and other BC107

  * Connect a picewise voltage source linear to transmit a transistor turned out (such as the creation of a) of pulse

  But none of them worked.

  Some of them seems to be working. But the output signal is very different from the square wave.  (Similar to a square wave noise )

  How can I solve this problem?

  Thank you very much

  Try this in Multisim 10. Your collector resistances are far too high in the resistance. You must also select 'Set zero' for the initial conditions and integration "Gear" in the options analysis. You can add your own PB and LED.

• Why is - this vi gives the result of wrong time?

  I have a NI 9401 and I found this example, using Labview 2011, I understand should measure the pulse width.  I have a photo with transistor output sensor that displays 12mVDC in the low State, and ~ 3700mVDC to a high State.  When I run this vi, (I added the WHILE loop to the original example) and I use my photo sensor manually, which means that there are hundreds of ms between rising or falling edges, the output is of a few microseconds?  Why t - he display such a short pulse width? I use cDAQ 9174.  I'd wait the time difference between the successive rising or falling edges to be in the hundreds of ms, not microseconds.

  
  

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  Don't know what I'm doing here Sorry, first time here.

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  Hi alisonr,.

  I ask you to please take a look at the article: https://helpx.adobe.com/lightroom/help/import-photos-video-catalog.html

  Incase you need special assistance please let us know.

  Kind regards

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  Now the funny part is, if I load the same webworks app in my blackberry device, it works perfectly. It opens the remote page immediately. I don't know why its not working in a simulator.

  I have the config.xml file properly configured with the remote url defined in the element of access:

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  I will be very happy if someone can spare their time to help me.

  Thanks in advance.

  bigjavajoe wrote:

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  If you are using eclipse, see this thread:

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  Ah,.

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• Why are the rotation buttons upside autour

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  It allows to be that we could move the buttons of the icon freely, but now we are forced to put them as chosen by Adobe.

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  So why does make sense to them than the Rotate counterclockwise button is on the right and the right-hand rotation button is left?

  If you want to rotate a PDF anti-clockwise, then you choose the button anti-clockwise. It is a movement of the LEFT then why is the button counterclockwise on the right?

  Hello

  Thanks for your suggestion. If you use Acrobat DC we have options page under the tool rotation organize Pages (with the same icons) where changes can be saved, while, to discover rotation only tools that cannot be saved are opposite. It's just to make the difference between the two sets.

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  http://www.RMINC.com/test_b/test_example1.html

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• Xcode is based, but does not work

  Hi people,

  I have a problem with Xcode

  When I try to launch a project, it generates correctly and then just says "running < name >: < name >»

  Some time previously, I have worked on some projects of iOS and at the time, everything worked fine.

  Not even that, they run more.

  I don't know why it stopped working in the simulator of the app is just a white screen.

  Mac OS projects with cocoa does not even launch the built application. Console applications do not work or the other.

  I had this behavior with XCode 7, then tried the beta version 8, which also had the problem.

  This morning, I decided to uninstall XCode and reinstalled version 8 of XCode from the App Store.

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  IM under OSX 10.11.6 and Xcode Version 8.0 (8A218a).

  Please help me, I'm getting desperate. I can't develop this way.

  Best regards

  Alex

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• Avoid execution at startup of the device

  Hi all

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  Thanks in advance.

  Bruno.

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• Focus on the screen change

  Hello

  I have a question about the focus on the evolution of the screen:

  If a button has the focus on A screen and the user presses on it, I have the screen B.

  By pressing the back of screen B button, A screen is redisplayed no field does however seem to have the focus.  On the simulator of the door where you expect it to be (IE button) but on the real device, no field seems to have any home.

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  See you soon

  Dave

  Hello

  I ended up finding it works by:

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  On A screen, which did the trick.  Don't know where the emphasis would have been otherwise since screen B should have been even when popped, but it works :^)

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  See you soon,.

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• Problem with PopupScreen on the device of BB storm

  Storm JDE 4.7.

  This app just created a simple PopupScreen and calls pushGlobalScreen to create and display a UiApplication.

  I get an exception of security on the device, but it works fine on the Simulator.

  I did a javaloader u eventlog and he gave me the following at the end:

  SecurityException
  No detail message
  net_rim_cldc-8
  GlobalScreenManager
          
  0 x 7156
  net_rim_cldc-8
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  push
  0 x 7792
  net_rim_cldc-10
  UiEngineImpl
  pushGlobalScreen
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  myTest

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  Thank you

  -Donald

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