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  1. #1
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    multisim thermistor

    i am looking for a thermistor in any of the simulation prıogram...i couldnt find...

    ( for example : 10kΩ @ 25C thermistor, approx. 3.7%/C NTC ) ...




    where can a thermistor be?

    if u know, please inform me..


    thanks in advanced

    •   Alt24th September 2007, 18:11

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  2. #2
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    termistor multisim

    for proteus its needed i think

    ill make it so it will increase at a given slope relative to a simple 0-500 degree slider

    this is easy using comvdd dll i wrote or you can use sldvdd.dll
    ill add a directive to sldvdd and comvdd to allow for the name of the sliders panel title to be adjusted from the component edit menu as i see this as a needed thing for naming panels for purpose

    comvdd /sldvdd are slider banks of adjustable resistors etc via a voltage output dirrived from the sliders data
    and can be in the range 0-65535

    well youll see that adding a resistor i easy and already done althought i dont mind knocking up a simple circuit for you you can place as a part
    two ticks

    OK so i added this adjustment to comvdd

    THE NEW PROPERTIES TO ADD IN TO THE EXTRA PROPERTIES WINDOWS ARE
    TIMEEN=1 //TURNS ON THE TIMER COUNTER
    MAXCOUNT=0-MAXMODE SETTING {SO IF YOUR IN DECIMAL MODE 100 STEPS USE 0-100 AS A RANGE ETC..
    MINCOUNT WHERE THE MINIMUM COUNT FLOOR WILL BE
    NEGCOEF=1// TURNS ON NEG COUNT IE -1 TILL MIX
    POSCOEF=1 SAB BUT COUNTS UP TILL MAX

    ANYSETTING NOT ADDED OR MADE IS IGNORED

    I ADDED THE DESIGN HERE TO THE DLL PROJECT AND RECOMPILED THE DLL TO REFLECT THE CHANGES

    ITS A BETA BUT LOOK PROMISING IF THE STEPPINGS ARE USED CORRECTLY WITHIN YOUR CHOOSN PART

    REMEMBER THAT THE COUNTER EVENTS WILL BE HALF THE FREQUENCY OF THE PUD CLOCK SETTING

    SEE ATTACHED DESIGN FOR A BASIC DEMO
    {IM NOT PERFECT PLEASE POINT TO A MISTAKE }

    YOULL FIND COMVDD IN T HE SOFTWARE DOWNLOAD UPLOAD SECTION OF THIS BOARD



    •   Alt26th September 2007, 05:02

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  3. #3
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    Fragrance's Avatar
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    multisim vs proteus

    Quote Originally Posted by reyer007
    i am looking for a thermistor in any of the simulation prıogram...i couldnt find...

    ( for example : 10kΩ @ 25C thermistor, approx. 3.7%/C NTC ) ...




    where can a thermistor be?

    if u know, please inform me..


    thanks in advanced
    yes proteus can simulate thremistor Just type word ntc in part search you will find lot of ntc schematic models for lot of types hope this help you





    regards
    Fragrance



    •   Alt26th September 2007, 10:42

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  4. #4
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    multisim ntc

    thanks i found the thermistor there.... :)



  5. #5
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    proteus thermistor

    I am looking for the thermistor in multisim because that's what I got. But i can't find it. Can some one show me what to look for or where to find it in multisim.



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