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Andy Neil
05/12/12 09:10
Read: 859 times
Basingstoke
Uk


 
#187347 - Indeed
Responding to: Mahmood Elnasser's previous message
Mahmood Elnasser said:
It is a tool like any other tool.

It would be OK for many of the basic things that a newbie would need; eg,

  • Seeing that a GPIO pin is toggling;

  • Seeing that a UART output is transmitting, and at (near enough) the correct rate;

  • etc.

    The difficulty, though, is for a beginner to realise what the actual limitations are - and their implications...

    So, I'd say it's probably better that nothing!

    Not convinced that $200 might not be better spent, though: http://www.8052.com/forumchat/read/187343



  • List of 74 messages in thread
    TopicAuthorDate
    DSO for cheap!      Joseph Hebert      05/11/12 13:35      
       very good      Mahmood Elnasser      05/11/12 14:14      
          Limitations      Joseph Hebert      05/12/12 09:49      
             test results      Mahmood Elnasser      05/12/12 12:46      
                That's valuable information      Joseph Hebert      05/12/12 13:30      
             well, the fact is ..      Richard Erlacher      06/03/12 11:43      
                tektronix 475 comparison      Mahmood Elnasser      06/07/12 10:37      
                   Really? Why?      Richard Erlacher      06/07/12 14:51      
                   another double post ... sorry      Richard Erlacher      06/07/12 14:51      
       I think ...      Erik Malund      05/11/12 14:34      
          Application dependant      Mahmood Elnasser      05/12/12 05:55      
             Indeed      Andy Neil      05/12/12 09:10      
                It's still too low a bandwidth, wouldn't you say?      Richard Erlacher      06/03/12 11:50      
       just curious, Joe could you try      Erik Malund      05/11/12 14:36      
          Unusual with short pulses for hobbyist projects      Per Westermark      05/11/12 14:53      
             is the clock running?      Erik Malund      05/11/12 16:01      
          Sorry, but no I can't.      Joseph Hebert      05/11/12 16:42      
          10nSec Pulse      Mahmood Elnasser      05/12/12 12:59      
             "at random" means what exactly ?      Jim Granville      05/13/12 18:41      
                Answers      Mahmood Elnasser      05/14/12 07:41      
                   more observations      Mahmood Elnasser      06/03/12 10:51      
                      It may not be the sample rate ...      Richard Erlacher      06/07/12 15:07      
                         digital vs analog      Mahmood Elnasser      06/08/12 15:34      
                            Don't get me wrong, here ...      Richard Erlacher      06/08/12 21:34      
                               poor mans's scope      Mahmood Elnasser      06/09/12 02:01      
                                  Doesn't it depend on what THEY mean by bandwidth?      Richard Erlacher      06/09/12 20:58      
                                     20 nsec steps      Mahmood Elnasser      06/09/12 23:08      
                                        Well, one thing at a time ...      Richard Erlacher      06/10/12 11:43      
                                        Impulse Tests are better      Jim Granville      06/10/12 16:49      
                                           more capable scope      Mahmood Elnasser      06/11/12 14:03      
                                              I must have missed a step ...      Richard Erlacher      06/12/12 08:07      
                                                 TEK475      Mahmood Elnasser      06/12/12 16:16      
                                                    here's another alternative ...      Richard Erlacher      06/12/12 22:16      
                                                       DAC and pot in parallel?      Per Westermark      06/13/12 01:07      
                                                          Logically, not physically      Richard Erlacher      06/13/12 07:57      
                                                       new theory      Mahmood Elnasser      06/14/12 00:57      
       3MHz is rather poor Bandwidth ?      Jim Granville      05/11/12 16:51      
          ordinary      Erik Malund      05/11/12 17:20      
             Ther are many params needed      Jim Granville      05/11/12 18:21      
       "only" $200 ?      Andy Neil      05/11/12 23:59      
          Low cost oscilloscopes      Andy Neil      05/12/12 09:18      
             291 > 2*($199)      Joseph Hebert      05/12/12 09:45      
                It doesn't always work that way      Andy Neil      05/12/12 10:48      
                   Once upon a time ...      Joseph Hebert      05/12/12 13:28      
       SDS8202      Mahmood Elnasser      06/14/12 13:58      
          Read all the "fine print' first ... and ask any questions      Richard Erlacher      06/14/12 20:31      
             bought it      Mahmood Elnasser      06/16/12 03:07      
                Please let us know how this works out for you      Richard Erlacher      06/16/12 04:19      
                   datasheet      Mahmood Elnasser      06/16/12 05:26      
                      2mV/div - but min trig level?      Per Westermark      06/16/12 07:01      
                         Tests      Mahmood Elnasser      06/16/12 09:55      
                            24ns      Per Westermark      06/16/12 11:09      
                               and that's the crux      Erik Malund      06/16/12 11:41      
                                  FPGA pulse Expander (edited)      Mahmood Elnasser      06/16/12 12:06      
                                     some love the mother, some love the daughter        Erik Malund      06/16/12 12:13      
                                     Here's omne fairly simple thing ...      Richard Erlacher      06/16/12 15:22      
                                     self calibtrate?      Jim Granville      06/16/12 20:42      
                                        interesting      Mahmood Elnasser      06/16/12 23:01      
                                           yes      Jim Granville      06/16/12 23:15      
                                              glurk      Jez Smith      06/17/12 13:33      
                                                 DCMs      Mahmood Elnasser      06/17/12 14:49      
                                                    Well....      Jez Smith      06/17/12 15:48      
                                                       I don't know where you're going with this ...      Richard Erlacher      06/17/12 21:25      
                                                 xxxxx      Mahmood Elnasser      06/20/12 12:53      
                               333ps      Mahmood Elnasser      06/18/12 00:59      
          SDS9302      Mahmood Elnasser      07/05/12 10:32      
             So, how are you exercising this new 'scope?      Richard Erlacher      07/05/12 10:53      
                so far so good      Mahmood Elnasser      07/08/12 09:45      
                   So far so good ...      Richard Erlacher      07/08/12 10:49      
                      rise time      Mahmood Elnasser      08/15/12 13:28      
                         The rise time indicates that high frequencies gets dampened      Per Westermark      08/15/12 16:26      
                         What does "bandwidth" mean?      Richard Erlacher      08/15/12 17:45      
                            good test      Mahmood Elnasser      08/30/12 15:09      
                               Perhaps you should repeat the test ...       Richard Erlacher      08/30/12 23:08      

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