know anything about this pocket oscilloscope over at ITead Studio? - Page 1
Forum section: electronics / general

author: slburris
author_rank: Frequent Contributor
timestamp: October 02, 2010, 04:09:42 am
content: No, it's not the DSO Nano or clones, check it out:http://iteadstudio.com/copied/multi-channel-pocket-oscilloscope-ds0203-preview/Anyone heard about this? Looks like it will have real ADCsdriven by an FPGA, like you would expect in a real design.The prototype display looks interesting too.No real specs, just a kinda wishlist of features.Scott

author: semaphore
author_rank: Contributor
timestamp: October 02, 2010, 06:28:01 am
content: I don't know about this one, but I have to warn you DO NOT get teh DSO Nano. I've one and it is completely POS. Very slow update. The menu system is the worst and many times you press the button and it is not doing anything. Very disappointed!From that experience I'm very scare of the pocket DSO. Just my 2 cents.

author: Hypernova
author_rank: Unknown
timestamp: October 02, 2010, 06:53:59 am
content: Still need to ask the $500 question: is it more than that?

author: Unknown
author_rank: Unknown
timestamp: October 02, 2010, 07:17:37 am
content: The fact that the sample screenshot shows a 10Hz sine and 20mS 'none' doesn't make me hopeful about sampling rate. It looks like they use one ADC, the highest speed grade is 100MS/s, and that may have been multiplexed for both analog channels. If that's true, it doesn't really qualify as anything else than sexy toy in my opinion, and the 175MHz -3dB bandwidth for the op-amp is completely meaningless.

author: dimlow
author_rank: Frequent Contributor
timestamp: October 02, 2010, 12:09:32 pm
content: It might be a POS but it does look quite sexy.

author: slburris
author_rank: Frequent Contributor
timestamp: October 02, 2010, 12:25:32 pm
content: Quote from: Hypernova on October 02, 2010, 06:53:59 amThe site says the target price is around $125 for the board without a case ifI interpret things correctly.Scott

author: slburris
author_rank: Frequent Contributor
timestamp: October 02, 2010, 12:34:58 pm
content: Quote from: alm on October 02, 2010, 07:17:37 amLooking up the AD9288 and AD9218 chips, they are both *dual* ADCs up to 100Ms/sec.So if they run these at full rate, the scope should be able to display stuff up to at least 20Mhzreal-time. That's a huge step up for this nano-scope class of devices.Scott

author: Hypernova
author_rank: Unknown
timestamp: October 02, 2010, 12:56:53 pm
content: Quote from: slburris on October 02, 2010, 12:34:58 pmAnd they are charging barely any more than the nano?! That's sound too good to be true.

author: slburris
author_rank: Frequent Contributor
timestamp: October 02, 2010, 10:14:29 pm
content: I found a thread about this scope in Chinese at:http://translate.google.com/translate?hl=en&sl=zh-TW&u=http://www.hkepc.com/forum/viewthread.php%3Ftid%3D1474480%26extra%3D%26ordertype%3D1%26page%3D2&ei=FaqnTKOCBsKAlAfkkJTPDA&sa=X&oi=translate&ct=result&resnum=4&ved=0CCgQ7gEwAw&prev=/search%3Fq%3Dds203v2%26hl%3Den%26client%3Dfirefox-a%26hs%3D25p%26rls%3Dorg.mozilla:en-US:official%26prmd%3DivI'm having some trouble with the translation, but if I've read it correctly,the higher end model will use the dual ADC clocked at 72Mhz. If usinga single channel, both ADCs can be used, for a sample rate of144Ms/sec.Scott

author: mikeselectricstuff
author_rank: Super Contributor
timestamp: October 02, 2010, 11:10:45 pm
content: "36M +36M" : presumably 36MHz bandwidth

author: firehopper
author_rank: Frequent Contributor
timestamp: October 04, 2010, 08:49:09 pm
content: I just saw a ebay auction for a preorder for one for $250!they call it a dso nano 2

author: slburris
author_rank: Frequent Contributor
timestamp: October 04, 2010, 10:50:22 pm
content: Quote from: firehopper on October 04, 2010, 08:49:09 pmHmm, I thought it was against ebay's rules to auction off something you didn't actuallyhave?Still, it will be interesting to see how this gadget pans out. With 1 input, that's a 72Ms/secsample rate, so figure you can easily watch 10Mhzish signals with 5-10x oversampling.That's starting to be actually useful, unlike the DSO nano which is basically a cute toy.Scott

author: firehopper
author_rank: Frequent Contributor
timestamp: October 04, 2010, 11:28:51 pm
content: http://cgi.ebay.com/Pre-Order-ARM-DSO-Nano-V2-Pocket-Oscilloscope-2Probe-/280565813911?pt=BI_Oscilloscopes&hash=item4153069297theres the url, says he has more than 10 available.. yeah right, not on a pre order.. dont think I'd pay 250 for one though, since I just purchased a rigol 1052, just gotta wait for it..

author: safarir
author_rank: Regular Contributor
timestamp: October 04, 2010, 11:39:08 pm
content: Anyone know what screen he is using ?