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Anonymous Poster

Variable current source for 0 to 10mA

11/11/2010 12:37 AM

I hadn't done any eletronic circuit before, I want to make a simple variable current source for 0 to 20mA to give input to our controller. Please help me with a detailed circuit as quick as possible.
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This discussion was "closed" on 11/11/2010 7:44 AM. No new comments are allowed.
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Duplicate. See open thread here: http://cr4.globalspec.com/thread/62368
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#1

Re: Variable current source for 0 to 10mA

11/11/2010 1:35 AM

There are off-the-shelf loop calibrating instruments that can do this.

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Anonymous Poster
#2

Re: Variable current source for 0 to 10mA

11/11/2010 6:13 AM

Study ideal current source first.I doubt current source is used for any circuits. An ideal current source is a voltage source with high internal resistance so that the variation in its load has less/null effect on current source.
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This discussion was "closed" on 11/11/2010 7:44 AM. No new comments are allowed.
Message from admins:
Duplicate. See open thread here: http://cr4.globalspec.com/thread/62368

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