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| Siglent SDS1104X-E vs. Rigol DS1054Z Advice? |
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| rf-loop:
--- Quote from: Mr. Scram on August 26, 2018, 04:58:37 am ---Can a Siglent 100 MHz now be hacked to 200 MHz? I can't seem to find much about that. --- End quote --- Perhaps you forget this your own msg? --- Quote from: Mr. Scram on June 17, 2018, 06:50:42 am --- --- Quote from: ian.ameline on June 17, 2018, 01:39:23 am ---So it is possible to hack an SDS1104X-E to be a SDS1204X-E. You need to... <clip> --- End quote --- Interesting. It'd make the Siglent a lot more competitive compared to the DS1054Z. --- End quote --- All who have enough skills to do this as it should be done and do carefully his homeworks can find all needed right information (and can also filter out possible bullshits). For avoid any hassle with this method just important rule is: First brain, then muscle. Follow these quoted msg's in they original threads and study these threads and possible related links there. Some tiny tests can find also here. https://www.eevblog.com/forum/testgear/siglent-sds1204x-e-released-for-domestic-markets-in-china/msg1623214/#msg1623214 After this message read fully least next all msg's least up to msg #831 There can find even some tests but perhaps it is better without further advertisements about this "feature". User need also understand what are pros and cons specially because we do not have brickwall filter analog front end. |
| tv84:
--- Quote from: rf-loop on August 26, 2018, 09:02:33 am ---Some tiny tests can find also here. --- End quote --- Totally itsy-bitsy... ^-^ |
| tautech:
--- Quote from: JS on August 26, 2018, 01:12:18 am --- --- Quote from: KungFuJosh on August 26, 2018, 12:37:20 am --- --- Quote from: tautech on August 25, 2018, 11:37:36 pm ---There will be times when you can't place a probe reference (gnd) lead where you want so don't discount needing a differential probe at some stage. --- End quote --- I definitely hear that, that's why it's bookmarked. But my builds usually have ground points with good access, and 90% of the testing is probably off the output jack anyway. I gotta say one other point for the Siglent is the front panel design. I hate the appearance of the Rigol; it looks sloppy by comparison. Aesthetic matters, my day job is design. ;) --- End quote --- It's not about having access to a ground, is about needing to know the voltage between two points where neither of them is ground, like if you want to measure the voltage across a cathode and the grid of a cathode follower, to look at the bias while the signal is present. If you probe both in reference to ground which are swinging 20V at 100V from ground and you try to measure that signal for the time you subtracted them both in the math (AKA poors man differential probe) you are left with very little signal, you wanted to look for, as it was a small signal on top of a big common mode signal. JS --- End quote --- Sure there are a few ways to measure floating potentials however there are times when you need the proper gear. Say a mains phase control high-side pair of reversed biased SCR's, gates elevated and driven by pulse xformers. Never did I think that my hobby of electronics would have me doing that stuff but once you have the gear and some knowledge it's not hard but it is dangerous and there must be no distractions. Careful work technique too, one hand in back pocket at all times when powered so to offer no electrical path across the body should you touch something hot. A UJT had failed and when replaced we had to adjust the set points so both SCR's were turning on at the same point in opposite curves of the mains sine wave so to share the load properly. Fun stuff and led me more into power electronics as my greatest interest coupled with simple digital control. :) |
| KungFuJosh:
--- Quote from: tautech on August 26, 2018, 02:07:54 pm ---there are times when you need the proper gear. --- End quote --- Speaking of having the proper gear, I'm surprised you never pointed out that the 1004X-E stuff is compatible with any Siglent AWG, and in any case besides the add-on it doesn't need the stupid $$$ option. For $20 less than that stupid AWG add-on, I can get the SDG805 which I assume should be more than enough for audio work (not that I need one any time soon, I'm content with my cheap Tenma audio generator for now). You gotta up your sales skillz bro. ;) Rigol Pros: Physical side buttons UI simplicity Firmware updates probably less buggy. Laziness *(already on my bench) Price Siglent Pros: hackable to 200Mhz Higher multi-channel sampling 1M FFT No side buttons = more screen space for waveforms Front panel not as ugly (to me) LXI/LAN speed 400VDC input (vs 300VDC) (yes, I know it doesn't matter, but a plus is a plus and mistakes happen) Optional extras that aren't worth the money especially thanks to toys like the AD2 Compatible with Siglent standalone AWGs without the stupid option upgrade Works with the $10 WiFi dongle I'm going to RMA the Rigol and try the Siglent out. If it's annoying or sucks, it also has a 30 day return policy. I hate to ask this because they're fugly and over-sized, but does anybody really believe the Instek scopes are more reliable for some reason than Rigol or Siglent? From watching Dave's tear-down videos I got the opposite impression, but I saw a comment that said otherwise so I thought I should ask. The only thing I do like about the comparable Instek is the individual vertical controls. |
| nctnico:
--- Quote from: KungFuJosh on August 26, 2018, 05:27:30 pm ---I hate to ask this because they're fugly and over-sized, but does anybody really believe the Instek scopes are more reliable for some reason than Rigol or Siglent? From watching Dave's tear-down videos I got the opposite impression, but I saw a comment that said otherwise so I thought I should ask. The only thing I do like about the comparable Instek is the individual vertical controls. --- End quote --- The GW Insteks are way less buggy compared to Rigol and Siglent especially when it comes to newly released equipment and if you find a bug it gets fixed quickly. So all in all the testing-before-releasing and service are better.The GW Instek oscilloscopes are also covered by a limited lifetime warranty which ends 5 years after GW Instek stops producing the model; so you get at least 5 years of warranty. I think it also shows the confidence GW Instek has in the quality of their products. I think the one Dave took apart is a pre-production model. In my GDS-2204E there is only one integrated board (without the add-on boards shown in Dave's video). |
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