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???
05/11/12 20:14
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 		 #187332 - very good
Responding to: ???'s previous message
Hi Jo
I've been using it for the last 10 months, it is perfect for testing serial bit streams, i2c, spi, uart as well as general purpose dso.
http://www.8052.com/forum/read/182751
So small that I take it with me everywhere. The built in signal generator is useful for some applications.
I use it for testing uC circuits as well as repair of any equipment, SMPS etc.
It is not very accurate especially in measuring amplitudes, the background is black which makes it not pleasant for the eyes, but it is very good value for the money.
It has a front end FPGA and dual ported ram and ARM which makes it really powerful scope.

Using a microcontroller development board and this DSO I built a very powerful tester for repair of systems and circuit cards in my workshop. which is more powerful and a fraction of the price for professional testers available in the market.
Mahmood


List of 74 messages in thread
TopicAuthorDate
DSO for cheap!            01/01/70 00:00      
   very good            01/01/70 00:00      
      Limitations            01/01/70 00:00      
         test results            01/01/70 00:00      
            That's valuable information            01/01/70 00:00      
         well, the fact is ..            01/01/70 00:00      
            tektronix 475 comparison            01/01/70 00:00      
               Really? Why?            01/01/70 00:00      
               another double post ... sorry            01/01/70 00:00      
   I think ...            01/01/70 00:00      
      Application dependant            01/01/70 00:00      
         Indeed            01/01/70 00:00      
            It's still too low a bandwidth, wouldn't you say?            01/01/70 00:00      
   just curious, Joe could you try            01/01/70 00:00      
      Unusual with short pulses for hobbyist projects            01/01/70 00:00      
         is the clock running?            01/01/70 00:00      
      Sorry, but no I can't.            01/01/70 00:00      
      10nSec Pulse            01/01/70 00:00      
         "at random" means what exactly ?            01/01/70 00:00      
            Answers            01/01/70 00:00      
               more observations            01/01/70 00:00      
                  It may not be the sample rate ...            01/01/70 00:00      
                     digital vs analog            01/01/70 00:00      
                        Don't get me wrong, here ...            01/01/70 00:00      
                           poor mans's scope            01/01/70 00:00      
                              Doesn't it depend on what THEY mean by bandwidth?            01/01/70 00:00      
                                 20 nsec steps            01/01/70 00:00      
                                    Well, one thing at a time ...            01/01/70 00:00      
                                    Impulse Tests are better            01/01/70 00:00      
                                       more capable scope            01/01/70 00:00      
                                          I must have missed a step ...            01/01/70 00:00      
                                             TEK475            01/01/70 00:00      
                                                here's another alternative ...            01/01/70 00:00      
                                                   DAC and pot in parallel?            01/01/70 00:00      
                                                      Logically, not physically            01/01/70 00:00      
                                                   new theory            01/01/70 00:00      
   3MHz is rather poor Bandwidth ?            01/01/70 00:00      
      ordinary            01/01/70 00:00      
         Ther are many params needed            01/01/70 00:00      
   "only" $200 ?            01/01/70 00:00      
      Low cost oscilloscopes            01/01/70 00:00      
         £291 > 2*($199)            01/01/70 00:00      
            It doesn't always work that way            01/01/70 00:00      
               Once upon a time ...            01/01/70 00:00      
   SDS8202            01/01/70 00:00      
      Read all the "fine print' first ... and ask any questions            01/01/70 00:00      
         bought it            01/01/70 00:00      
            Please let us know how this works out for you            01/01/70 00:00      
               datasheet            01/01/70 00:00      
                  2mV/div - but min trig level?            01/01/70 00:00      
                     Tests            01/01/70 00:00      
                        24ns            01/01/70 00:00      
                           and that's the crux            01/01/70 00:00      
                              FPGA pulse Expander (edited)            01/01/70 00:00      
                                 some love the mother, some love the daughter            01/01/70 00:00      
                                 Here's omne fairly simple thing ...            01/01/70 00:00      
                                 self calibtrate?            01/01/70 00:00      
                                    interesting            01/01/70 00:00      
                                       yes            01/01/70 00:00      
                                          glurk            01/01/70 00:00      
                                             DCMs            01/01/70 00:00      
                                                Well....            01/01/70 00:00      
                                                   I don't know where you're going with this ...            01/01/70 00:00      
                                             xxxxx            01/01/70 00:00      
                           333ps            01/01/70 00:00      
      SDS9302            01/01/70 00:00      
         So, how are you exercising this new 'scope?            01/01/70 00:00      
            so far so good            01/01/70 00:00      
               So far so good ...            01/01/70 00:00      
                  rise time            01/01/70 00:00      
                     The rise time indicates that high frequencies gets dampened            01/01/70 00:00      
                     What does "bandwidth" mean?            01/01/70 00:00      
                        good test            01/01/70 00:00      
                           Perhaps you should repeat the test ...             01/01/70 00:00      

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