How to select Voltage mode or current mode? Options  Watch this topic  Print this topic  Atom Feed  RSS Feed View » Normal Threaded

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topanw		#1 Posted : Wednesday, June 11, 2014 2:44:51 AM(UTC)
Rank: Member Groups: Member Joined: 4/23/2014(UTC) Posts: 7 Thanks: 3 times		I bought buffalo iii SE so I hope test voltage and current mode but I don't know how to select Please give me advice Thank you very much June
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Brian Donegan		#2 Posted : Wednesday, June 11, 2014 3:13:29 AM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 2,868 Location: Massachusetts, USA Thanks: 2 times Was thanked: 141 time(s) in 134 post(s)		There isn't really a current mode nor voltage mode. "Mode" is not a good description. "Source" is a better term. The DAC can either act as a current source (when presented with a near-zero ohm load) or a voltage source (when resented with a higher impedance load).
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1 user thanked Brian Donegan for this useful post.		topanw on 6/11/2014(UTC)
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topanw		#3 Posted : Wednesday, June 11, 2014 5:20:14 AM(UTC)
Rank: Member Groups: Member Joined: 4/23/2014(UTC) Posts: 7 Thanks: 3 times		Hello Brian Thanks to advice~! so no need any setting on DAC. The source is just according to load(near-zero ohm or higher impedance) Is it right? Edited by user Wednesday, June 11, 2014 5:21:14 AM(UTC)  | Reason: Not specified
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avr300		#4 Posted : Wednesday, June 11, 2014 5:52:21 PM(UTC)
Rank: Member Groups: Member Joined: 6/17/2008(UTC) Posts: 921 Thanks: 1 times Was thanked: 70 time(s) in 69 post(s)		Yes, that's correct.
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DQ828		#5 Posted : Wednesday, June 11, 2014 10:14:12 PM(UTC)
Rank: Member Groups: Member Joined: 8/17/2010(UTC) Posts: 368 Location: australia Thanks: 8 times Was thanked: 3 time(s) in 3 post(s)		Originally Posted by: avr300 Yes, that's correct. At what point impedance wise does it change over, I assume there is a twilight zone where it's sort of in between the two.
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Brian Donegan		#6 Posted : Thursday, June 12, 2014 12:10:11 AM(UTC)
Rank: Administration Groups: Administration, Customer Joined: 10/24/2006(UTC) Posts: 2,868 Location: Massachusetts, USA Thanks: 2 times Was thanked: 141 time(s) in 134 post(s)		There is no transition point. Well, there is, actually: 0-ohms.
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