HELP : Question about DC-motor driver

[bamse]

http://www.miteget.net/donniebrasco9/gfx/brugerupload/motor.JPG

The above link shows a circuit design for a
motordriver.

What is the purpose of the resistance in front of
each gate of the MOSFET-transistors?

And can someone please tell me, what exactly goes on in this circuit?

Thanks




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[bamse]

and why use MOSFET-transistors instead of other kinds of transistors?


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[bamse]

Datasheets:

http://www.miteget.net/donniebrasco9/gfx/brugerupload/RFP40N10.pdf
http://www.miteget.net/donniebrasco9/gfx/brugerupload/ir2104.pdf



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[John Popelish]

bamse wrote:

Datasheets:

http://www.miteget.net/donniebrasco9/gfx/brugerupload/RFP40N10.pdf
http://www.miteget.net/donniebrasco9/gfx/brugerupload/ir2104.pdf

Sorry I didn't see your posts here before I saw them on
sci.electronics.design

Since your question is pretty basic, this is the more appropriate
newsgroup for this discussion, and I will look for your posts here,
instead of there.

--
John Popelish