Aug 20, 2007 #1 Maverickmax Advanced Member level 1 Joined Dec 6, 2004 Messages 404 Helped 8 Reputation 16 Reaction score 3 Trophy points 1,298 Activity points 3,689 Hi I have set a microcontroller up to produce 3 phase for AC motor and I have noticed that the recurring noise patterns appears on my oscilloscope when I put my probed on the zero voltage busbar. Why is that? How to remove this problem? MM
Hi I have set a microcontroller up to produce 3 phase for AC motor and I have noticed that the recurring noise patterns appears on my oscilloscope when I put my probed on the zero voltage busbar. Why is that? How to remove this problem? MM
Aug 24, 2007 #2 amiralib Member level 4 Joined Mar 6, 2006 Messages 77 Helped 17 Reputation 34 Reaction score 7 Trophy points 1,288 Location Ian - Tabriz Activity points 1,678 1- what kind of microcorntroller do you use? PIC is better in this category 2- you can seperate the analog GND and the digital GND its very important regards
1- what kind of microcorntroller do you use? PIC is better in this category 2- you can seperate the analog GND and the digital GND its very important regards
Aug 25, 2007 #3 J janson_lu Newbie level 3 Joined Jul 19, 2005 Messages 4 Helped 0 Reputation 0 Reaction score 0 Trophy points 1,281 Activity points 1,302 to amiralib: why is it important to seperate the analog GND and the digital GND ???
Aug 26, 2007 #4 A akmirror Junior Member level 3 Joined Aug 26, 2007 Messages 29 Helped 3 Reputation 6 Reaction score 2 Trophy points 1,283 Activity points 1,461 hey ..Can anybody plz tell me...how can i control ...motor direction using the H-bridge...drive..sth,,LD319..sth like that..i m stuck???/
hey ..Can anybody plz tell me...how can i control ...motor direction using the H-bridge...drive..sth,,LD319..sth like that..i m stuck???/