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Need help, maybe need a circuit design?

Former Member
Former Member over 13 years ago

Hello all, I'm here on a suggestion from a friend to hopefully get this problem sorted out. 

 

I currently have a function generator that just isn't cutting it anymore.  What I need is to pulse DC current, probably 12+ volts through a solution at about 20 amps.  I need to be able to control the frequency from 100 hz to like 500 khz, I currently do that by running 2 12 VDC power sources in series with a solid state relay on the negative side before the solution.  The SSR is controlled by the function generator, but it occured to me recently that the SSR can't function that fast so I need a new method.  Maybe a circuit?  Some specialized relay? 

 

As you can tell I'm pretty newbish at this, but am a fast learned since this is a very necessary piece of equipment at the moment

 

I look forward to any advice that you all can offer, Thank you

 

-Nathan

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  • Former Member
    Former Member over 13 years ago

    the easiest way to explain it is the hydrolysis of water.  Currently i just am using the square wave setting on my function generator and thats what i want to continue using.  I will just need to pulse it on and off at the speed i choose. 

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  • Former Member
    Former Member over 13 years ago

    the easiest way to explain it is the hydrolysis of water.  Currently i just am using the square wave setting on my function generator and thats what i want to continue using.  I will just need to pulse it on and off at the speed i choose. 

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