Hi again,
2010/3/5 vasile surducan <[email protected]> > Seb, > > you are going too fast again, but that's because of your age... you'll cure > about it after 30. > If you mean after the age of 30, since I'm almost 33, I guess I'm incurable :) > The toy you have pointed at isn't an 1MS/sec, but 1MHz analogic bandwith > which is totally different. > I don't understand, it's written "Max sample rate 1Msps 12Bits", doesn't it mean 1 mega samples per second ? There's also "Analog bandwidth 0 - 1MHz"... > Take a look to the schematic, try to understand it and you'll see that is > less than 500Ksample/second (my appreciation is 200Ksample per second. > > A decent analogic tektronix of about 100MHz analogic bandwith has exactly > the same price... > $89 ??? Where ?! Cheers, Seb > > Vasile > > > On Fri, Mar 5, 2010 at 8:24 AM, Sebastien Lelong < > [email protected]> wrote: > >> Hi guys, >> >> >> Thanks for your replies ! "it depends on what I need", and usually I reply >> "I don't know !"... except: >> >> - cheap >> - small (a big fat analog oscilloscope really isn't an option for me, I >> just don't have room for this, but thanks a lot Vasile) >> - easy to use, just turn power on. I don't like USB oscilloscope, they >> work under windows (not Linux) and always require to a laptop near >> >> Now the real thing I don't know is how much MS/sec I need. For instance, >> one usage was observing power spikes. I needed this on a circuit, a friend >> helped me debug this, I really couldn't have fixed this without a >> oscilloscope. Highly frustrating. This is a typical usage for me. I would >> also need to see digital signals, like i2c, maybe serial,... well, I don't >> know, but I feel this is for a very basic usage ? I also think by using an >> oscilloscope I would better be able to understand what's going on behind the >> scene, visually. The fact is I'm a software guy, not an hardware guy, and >> probably won't ask myself very complex things (most complex thing for me >> remains Ohm law :)). >> >> From what you say, Mike, this 1MS/sec DSO isn't good, not serious because >> too low right (far above 5MHz) ? Here are some I had a look at the beginning >> of this topic, if you have any advices...: >> >> - http://www.owon.co.uk/pdsSeries.asp : PDS5022S and PDS6042S are >> affordable I think >> - http://www.rigolna.com/products_ds1000.aspx : same for DS1022C and >> maybe DS1042C. What is interesting is you can buy separately a logic >> analyzer module. If needed... >> >> >> Cheers, >> Seb >> >> PS: reading this thread, I can see I said "About crossplatform GUI toolkit >> [...] you can >> use wxpython (I don't like this too much)". Ah ah, Jaluinoide is built >> over Editra using wxPython, and I now like it quite much :) >> >> >> >> >> 2010/3/5 vasile surducan <[email protected]> >> >>> If you need a real analogic scope ( a russian one) I can send you one, >>> even a french one will be less expensive than the postage.... >>> >>> Vasile >>> >>> >>> On Fri, Mar 5, 2010 at 7:41 AM, vasile surducan <[email protected]>wrote: >>> >>>> NO! >>>> >>>> >>>> On Fri, Mar 5, 2010 at 6:23 AM, Sebastien Lelong < >>>> [email protected]> wrote: >>>> >>>>> Hi guys, >>>>> >>>>> Un-burying this topic, with a pocket DSO from seeedstudio.com: >>>>> >>>>> >>>>> http://www.seeedstudio.com/depot/micro-digital-storage-oscilloscopedso-nano-p-512.html >>>>> >>>>> Only one channel, analog bandwidth 0 - 1MHz, max sample rate 1Msps >>>>> 12Bits, but tiny, and not expensive. >>>>> >>>>> What do you guys think ? Sounds reasonable ? >>>>> >>>>> >>>>> Cheers, >>>>> Seb >>>>> >>>>> >>>>> >>>>> >>>>> 2009/1/16 Joep Suijs <[email protected]> >>>>> >>>>>> Hi Seb, >>>>>> >>>>>> The schematics is on the polish site. Enclosed a PDF. >>>>>> >>>>>> - I used an atmel324 - pin names are the same, numbers are different. >>>>>> - I intend to 'upgrade' the design to support pre-sampling and 128k >>>>>> storage (in stead of 32k) and run at 20 MHz. This means the circuit >>>>>> around the 7400 and 4040's will change a bit and there will be a stack >>>>>> of 4 memory chips - with a decoder on top - on my board. >>>>>> (waiting for the memory to arrive - bought them for just over 10 euro >>>>>> including shipping at ebay). >>>>>> >>>>>> Joep >>>>>> >>>>>> >>>>>> 2009/1/16 Sebastien Lelong <[email protected]>: >>>>>> > Ho Joep, >>>>>> > >>>>>> > Looks nice ! Waiting for schematics ! >>>>>> > >>>>>> > >>>>>> > Seb >>>>>> > >>>>>> > 2009/1/16 Joep Suijs <[email protected]> >>>>>> >> >>>>>> >> Hi Guys, >>>>>> >> >>>>>> >> As mentioned before, we're working on a logic analyser. Hardware is >>>>>> >> atmel-based, programmed in c and pc program is c#. So it is >>>>>> off-topic >>>>>> >> ;) >>>>>> >> >>>>>> >> There has been quite some progress on the C# program and we almost >>>>>> >> duplicated the functions of the original program. See >>>>>> >> http://code.google.com/p/protocolviewer/ for more info. >>>>>> >> >>>>>> >> 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]<jallib%[email protected]> >>>>>> For more options, visit this group at >>>>>> http://groups.google.com/group/jallib?hl=en >>>>>> -~----------~----~----~----~------~----~------~--~--- >>>>>> >>>>>> >>>>> >>>>> >>>>> -- >>>>> 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]<jallib%[email protected]> >>>>> . >>>>> For more options, visit this group at >>>>> http://groups.google.com/group/jallib?hl=en. >>>>> >>>> >>>> >>> -- >>> 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]<jallib%[email protected]> >>> . >>> For more options, visit this group at >>> http://groups.google.com/group/jallib?hl=en. >>> >> >> >> >> -- >> 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]<jallib%[email protected]> >> . >> For more options, visit this group at >> http://groups.google.com/group/jallib?hl=en. >> > > -- > 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]<jallib%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/jallib?hl=en. > -- 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.
