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MUHAMMAD UMAIR Participant Join Date: Dec 2010 Posts: 1	Oscilloscope Question 12/13/2010 8:31 AM
	the reason of having a common ground for both channels of cro and signal generator?
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PWSlack Guru Join Date: Jan 2007 Location: In the bothy, 7 chains down the line from Dodman's Lane level crossing, in the nation formerly known as Great Britain. Kettle's on. Posts: 32175 Good Answers: 839	#1 Re: Oscilloscope Question 12/13/2010 12:34 PM
	It eliminates mains hum. __________________ "Did you get my e-mail?" - "The biggest problem in communication is the illusion that it has taken place" - George Bernard Shaw, 1856
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pantaz Guru Join Date: Feb 2008 Location: Van Nuys, CA Posts: 563 Good Answers: 33	#2 Re: Oscilloscope Question 12/13/2010 1:36 PM
	See "Ground Loop" (the electrical kind, not the aircraft kind )
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