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  #1   Ban this user!
Old 12-22-2007, 08:38 AM
 
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A3977
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http://auction1.taobao.com/auction/0...em_detail=true

http://store.taobao.com/shop/view_sh...98762bdfc12b28
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Old 12-23-2007, 03:41 PM
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is it open source?
could you show more data?
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Old 12-24-2007, 09:24 AM
 
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A3977SCH
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Old 12-24-2007, 09:51 AM
 
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linsetpder
http://www.sxlist.com/techref/io/ste...index.htm#KITS
PCB SCH
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Old 12-24-2007, 02:45 PM
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Originally Posted by fyhyj View Post
show more data
A3977SCH
thanks...
it looks like pminmo driver + opto
---

I will test simplest a3977 driver...

description:
http://forum-cnc.pl/index.php?topic=643.0
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Old 12-24-2007, 02:58 PM
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Originally Posted by fyhyj View Post
linsetpder
http://www.sxlist.com/techref/io/ste...index.htm#KITS
PCB SCH
I like linistepper too...
as Idea...
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Old 12-25-2007, 08:43 PM
 
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Sure makes sense to do business with somebody that rips off others designs!!! Bet the support is really good....NOT
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Old 12-27-2007, 02:52 AM
 
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Good design
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Originally Posted by fyhyj View Post
show more data
A3977SCH
It's very GOOD design.
Whether you can show the PCB of this driver?
I did the a3977 driver with other design,but the radiator there is not located on my PCB.

-------------
Best regards

instrument96
instrument96@rambler.ru
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