Thanks for your answer, Joep ! I think I'll go for a 20MHz one and dig for further information (about storage, cursors, etc...). Your link is interesting, but as you said, I need a PC for this. What I like with Owon oscillos is you don't have to run windows to use it. Just plug it and that's it.
Just to be sure: sample/secs is more important than MHz, right ? PDS5022S runs @25MHz for 100MS/s, whereas the one you point to runs @60MHz, for 100MS/s too. How is it possible ? Is there something with the number of channels: 25MHZ and 100MS/s for one channel, far less with 2 channels at the same time, and 60MHz and 100MS/s for each channel ? Seb 2008/12/24 Joep Suijs <[email protected]> > > Hi Seb, > > I bought my old analog, 20 MHz dual channel scope over 20 years ago > and am thinking of something to replace it. Based on my experiences, > my wishlist is: > > - At least 20 MHz. 20 MHz is pretty low (cheaper), but in most cases > enough for IO- and power-related issue's. > - dual channel > - cursors to measure (that's a comfort i'm lacking now) > - storage fuction - able to record and show a single shot > > But I also 'need' a logical analyser every now and then - some cases > require to monitor up to 4 (mostly digital) signals at the same time. > And combine a analog DSO with a logica analyser would be ideal. > But... these are extremly expensive unless you get an usb-device and > use your computer - then they are just very expensive. And I am not > sure it is very handy that you need your Windows pc for this... > > Take a look at: > http://www.dynoninstruments.com/products_s2x100.php > for a 50 MHz usb scope for the same budget. > > (I have no experience with these products, just looked at the specs.) > > Digital interfaces (like SPI and I2C) tend to get faster and will go > too fast in a couple of years. If these don't work like they should, > you mostly need a protocol analyser (logic analyser + sw) and only in > rare cases a DSO. > > So to answer your question: I think a 20 MHz dual channel DSO will do > for most of the cases... > > Joep > > > > -- Sébastien Lelong http://www.sirloon.net http://sirbot.org --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "jallib" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/jallib?hl=en -~----------~----~----~----~------~----~------~--~---
