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Sonsivri > Electronics > General Electronics (Moderators: o2, pickit2) > DC and AC constant current sources
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free
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« on: November 12, 2007, 11:25:33 23:25 »
Could you help me to share information, schematic...
about DC and AC constant current source with 700mA - 1500mA ?

Thanks
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chandra2sekhar2000
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« Reply #1 on: November 13, 2007, 03:58:51 15:58 »
hello !
 what voltage u required ?
and for what purpose?
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« Reply #2 on: November 13, 2007, 11:25:42 23:25 »
I use 12v.
Using for measure conductivity of the rocks.
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greywolf
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« Reply #3 on: November 14, 2007, 01:03:24 01:03 »
Free,
Have a look at the sites listed below. They should point you in the right direction to design your own DC constant current circuit.

http://en.wikipedia.org/wiki/Current_source
http://michaelgellis.tripod.com/howland.html
http://schematics.blogspot.com/2005/04/constant-current-source.html
http://users.pandora.be/davshomepage/current-source.htm


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« Reply #4 on: November 20, 2007, 11:50:59 23:50 »
view this pdf:

http://www.onsemi.com/pub/Collateral/AND8042-D.PDF
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