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| SIGLENT SDS1102CML - First Impressions |
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| Pippy:
Just bought one of these scopes (the SDS1102CML) and it's not to bad I guess. Firmware could be better but se-la-vie. They have a problem with their software channel filter, at lower frequencies rather than do proper low-pass-filtering it slightly rounds off the edges (which is correct) but then cuts the amplitude down (which is wrong). This is looking at the scopes own 1kHz reference .. |
| illyesgeza:
Can anybody who has a SIGLENT SDS1102CML dso help me? Please save the data from channel 1 from the scope's calibrator signal with the horizontal position on 250us in LongMem mode to a file The file size would be 2M I'd like to post it to me Thanks |
| illyesgeza:
Look at this two signals. The difference is longmem on and longmem off. 800khz / 20khz = 40, but the samplingrate was 500KS/s and 25MS/s 25 / .5 = 50 There is a bug in the FFT calc. |
| Deckert:
--- Quote from: illyesgeza on July 09, 2013, 10:08:12 am ---Look at this two signals. The difference is longmem on and longmem off. 800khz / 20khz = 40, but the samplingrate was 500KS/s and 25MS/s 25 / .5 = 50 There is a bug in the FFT calc. --- End quote --- Agreed - I noted the same discrepancy in my review of the Siglent/Atten 'scope using the 3.x firmware. So this is an issue they did not fix in the 5.x firmware? When I tested this on the Rigol DS1102E, I noted that the Rigol simply switches back to short-mem "Normal" mode when you enter FFT mode. --deckert |
| ChildOfVision:
Again, a few questions about SDS1072, not 1102, sorry (I believe those are 99% identical scopes anyway...): 1) How can I use RS232 for some practical, useful and fun (of course) things? 2) In order to use EasyScopeX, I have to download a huuuuge NI-VISA package :((>600M?) - Easyscope is just a few MB, so how can I use this software with minimum additional software - what should I download? What other software can I use with SDS? Can I use LabView (it already includes NI-visa) - is it better than EasyScope (I don't plan to do nothing special; to see waveforms on PC monitor, change colors of images, simple measurements (but on bigger screen :)), simple analysis. If it is better than ES, I will rather downl.... :-[ hmm... buy full version of LabView instead of ES+NI-VISA! 3) Does somebody know how to calculate/estimate number of waveforms per sec (I don't have any fancy equipment!)? 4) Can I kindly ask, if somebody has ECG simulation image (in scope's format) that I can put on USB-stick and see it on my scope, I will be veeery grateful if he/she puts that file here!? TIA! Child |
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