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Recent content by a.dehqan

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    Problem with communication between micro and the device

    In The Name Of ***** The compassionate merciful We want have communication between AVR/ARM Micro controller and Corus PTZ Gas volume converter , This device has rs232 port for local communication with a laptop through an intrinsic safe isolation The RS232 port provides the following signals: •...
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    Why 741 does not amlifies on period of low frequencies

    Hello ; Thanks a lot Because these frequencies are example but we know it s a period in low frequencies . You should see 741 behavior in Reality not in theory . be sure question is ok just see it's behavior in Reality He has PHD and is Group Manager of electronic department Regards dehqan
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    Why 741 does not amlifies on period of low frequencies

    Hello ; My master said again : There is gain *10 at for example frequency=20 HZ But there is no *10 gain at F = 3 HZ . Why ? Regards
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    Why 741 does not amlifies on period of low frequencies

    Thanks a lot for your attention , 741 has a inner capacitor itself and that capacitor makes it to have frequency related results . Anyway i(humble) will check my master question today . Regards dehqan
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    Why 741 does not amlifies on period of low frequencies

    Question is about in AC not DC .
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    Why 741 does not amlifies on period of low frequencies

    Hello Clear question and it's related circuit is posed in 2 post before , if you need another info ,tell me .thanks also other wrong posts have been edited by me. Regards
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    Why 741 does not amlifies on period of low frequencies

    Re: Why there is no gain in low frequencies e.g 15 hz ? Hello No , This question is posed by my master that has PHD in electronics . So question is ok , Regards
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    Why 741 does not amlifies on period of low frequencies

    Re: Why there is no gain in low frequencies e.g 15 hz ? Hello , Sorry , circuit is this like , Vcc=-+15 AC question , why op-amp 741 does not amplify at low frequencies like 15 HZ ? It amplifies at f=200 or 300 and upper . Regards
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    Why 741 does not amlifies on period of low frequencies

    Re: Why there is no gain in low frequencies e.g 15 hz ? --------------------------------------------
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    Why 741 does not amlifies on period of low frequencies

    Re: Why there is no gain in low frequencies e.g 15 hz ? --------------------------------------------
  11. A

    Why 741 does not amlifies on period of low frequencies

    Re: Why there is no gain in low frequencies e.g 15 hz ? --------------------------------------------
  12. A

    Why 741 does not amlifies on period of low frequencies

    Hello , Good day all ; question is on some posts later . Regards dehqan
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    Need to compile this code in a free compiler

    In The Name Of God The compassionate merciful Good day all , This is a code that has been compiled in codevision - windows -completely and with no error but it's required to continue this code in another free compiler because of codevision DEMO version limitations (the compiled code size is...
  14. A

    Help me program a plot in Matlab software

    matlab software + 4shared In the name of god Hello I'll be thankfull if you program **broken link removed** in matlab software. **broken link removed** Thanks
  15. A

    An important question about Qucs

    qucs vs gschem In the name of God; hello Thanks alot ,my problem solved by stefan(QUCS **broken link removed** writer) INDULGENCE . here is answer : **broken link removed** Thanks
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