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Awsillyscope, cool or gimmick?

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sherlock ohms	Posted: December 22, 2009 11:16 am
Forum Addict ++ Group: Spamminator Taskforce Posts: 1,576 Member No.: 26,125 Joined: September 10, 2009	usb 'scope.. (not that i could afford it..) I would have thought a USB design would be too slow.. -------------------- "Quotation marks make sentences appear more meaningful."

Sch3mat1c	Posted: December 22, 2009 11:31 am
Forum Addict ++ Group: Moderators Posts: 14,967 Member No.: 73 Joined: July 24, 2002	It's basically the front end of a TDSxxx 'scope with a USB link to the display and software. All the signal processing is on its end of the wire, only a little data has to be transmitted. 5GSa/s implies 5GB/s transfer rate (at 8 bit resolution), but not all those samples are used. I don't even know how they measure it. One would hope "real time sampling" == "how fast does the damn ADC run", but that wouldn't work well against a hundreds-megabit connection. They are quite correct about the 1GSa memory. It gets really slow when Windows tries running that into swapped memory, though... Tim -------------------- Answering questions is a tricky subject to practice. Not due to the difficulty of formulating or locating answers, but due to the human inability of asking the right questions; a skill that, were one to possess, would put them in the "answering" category.

JoOngle	Posted: December 22, 2009 03:54 pm
Forum Addict ++ Group: Cleanup Taskforce Posts: 5,537 Member No.: 3,818 Joined: December 12, 2005	And the price tag... $5766.7 for the scope "kit". -------------------- vidi veni vici

telomere	Posted: December 22, 2009 04:30 pm
Forum Addict ++ Group: Spamminator Taskforce Posts: 3,112 Member No.: 9,502 Joined: May 18, 2007	Pretty nifty, if you have to be highly mobile. A few years ago, we had a power quality engineer come look at our building. He brought an ANCIENT scope. To be fair, it did give a digital report of what it had captured... on floppies. One of these would make his life much easier. And at the rates he charged us ($200/hour), he could easily afford one. (Now... had he actually been able to diagnose the problem, he might have been worth the money..... )

tekwiz	Posted: December 22, 2009 10:31 pm
Forum Addict ++ Group: Cleanup Taskforce Posts: 22,696 Member No.: 5,746 Joined: July 24, 2006	Hell, you can download a free program that allows you to use your soundcard as a basic audio frequency scope or spectrum analyser. Not very much bandwidth, but considerably better than nothing at all. Winscope is one such program. -------------------- Trouble rather the tiger in his lair, than the sage among his books. For to you, kings & armies are things mighty & enduring. To him, mere toys of the moment, to be overturned at the flick of a finger. Fortuna favet fortibus.

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