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| 4 channel Keysight 1000x series scope |
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| jemangedeslolos:
--- Quote from: TK on March 14, 2019, 06:51:26 pm ---I own the EDUX1002G, then purchased MSO5074 from Rigol... for me, it is not near the usability of the Keysight... it can be hacked to have tons of features, but it is slow and the serial protocol decoding a toy. I am about to return it The EDUX1002G hacked and with some hardware mods can have 2.5 channels and it is a pleasure and fun to use. The Rigol is giving me headaches, you don't know what you are getting from the scope, you are always wondering if what is showing is accurate or not. --- End quote --- Do you have specific example ? It is not so easy to have scope on loan without losing money and I am open minded so if it is possible to have examples. I am interested. I am also interested in what you criticize for the serial decoding on the Rigol ? Before receiving a shitstorm on my head, I specify that I am really interested to know in what the Keysight is superior on these aspects. I am not here to support Rigol, just to have examples from real life. Thank you :) |
| martinot:
--- Quote from: TK on December 31, 2018, 03:56:39 am ---I think Spear600 is old compared to new CPUs running faster and with more cores and Probably the old Windows CE was a better fit. That is why I asked about the responsiveness as it seems Linux is heavier and the same reason for it to take 1 min to boot might impact on the performance of the scope app --- End quote --- I checked out the otherwise great new black scopes in the 1000x series, and the boot time is still (with latest 2020-06 firmware) awfully much slower than the old versions with Windows. I do not blame HP as they probably had no choice due to Microsoft's decisions, but half a minute boot to operation with the Linux scopes is not very good. I wish it had been 15-20 seconds like the old scopes. Much more acceptable. |
| martinot:
--- Quote from: nctnico on December 31, 2018, 09:13:35 am --- --- Quote from: TK on December 31, 2018, 03:56:39 am ---I think Spear600 is old compared to new CPUs running faster and with more cores and Probably the old Windows CE was a better fit. That is why I asked about the responsiveness as it seems Linux is heavier and the same reason for it to take 1 min to boot might impact on the performance of the scope app --- End quote --- Linux doesn't have to be heavier. That is nonsense. Also the boot time of a Linux system is defined by the speed of the flash being used. Put a Sata SSD in an embedded Linux system and it wil start in seconds. Besides that the oscilloscope likely does a quick self test during starting. --- End quote --- Not nonsens. You do not know any clue at all what you talk about. Your the one talking total nonsense and bull shit. 1. A low end scope normally do not have the same powerful hardware as a desktop PC. 2. It is to expensive (for this low end market) to but a desktop SSD in the scopes. Totally unrealistic. The Windows scopes did OK boot time with the current (non SSD) storage in the scopes. 4. It is not enough to boot just the OS. You also need to load the scope application. No "flash of light" here with the Linux scopes; more slow like molasses. 5. The old white Windows scopes also did self test during power on (like all normal scopes) during boot time. Nothing new for the Linux scopes here (besides being slower). |
| martinot:
--- Quote from: maginnovision on December 31, 2018, 06:22:13 pm --- --- Quote from: TK on December 31, 2018, 02:36:21 pm --- --- Quote from: nctnico on December 31, 2018, 09:13:35 am --- --- Quote from: TK on December 31, 2018, 03:56:39 am ---I think Spear600 is old compared to new CPUs running faster and with more cores and Probably the old Windows CE was a better fit. That is why I asked about the responsiveness as it seems Linux is heavier and the same reason for it to take 1 min to boot might impact on the performance of the scope app --- End quote --- Linux doesn't have to be heavier. That is nonsense. Also the boot time of a Linux system is defined by the speed of the flash being used. Put a Sata SSD in an embedded Linux system and it wil start in seconds. Besides that the oscilloscope likely does a quick self test during starting. --- End quote --- What I meant is that PROBABLY the specific Linux distro in use is heavier than Windows CE on the SPEAR600 that the Keysight scope uses. I know it can be made to boot in 10 seconds like the R&S or the Micsig TO1000 scopes, probably by using some battery backed memory to keep persistent code and data in memory saved for the next boot. I wonder if R&S scope takes longer to boot after a firmware update or the update process per se stores certain code & data in persistent memory. But if they decided to go with the 60 seconds boot time, then there must be hardware limitations on the current SPEAR600 + flash + ASIC interface to implement specific techniques like smartphones or tablets. --- End quote --- The R&S are always fast. They don't use linux either. --- End quote --- Yes, I prefer scopes like R&S which boots much faster. --- Quote from: Hydron on January 01, 2019, 01:03:48 am ---R&S uses freeRTOS or something similar (it's listed in the open source acknowledgement thing). The boot time is always fast, and i don't think it saves anything between boots to do it. Definitely nice to have it that quick but I think Linux is also a reasonable choice if optimised well - boot times aren't everything. --- End quote --- Boot time is not everything, but it's clear that scopes with Linux is generally much slower to boot compared to scopes with more optimized systems. Might be some scopes who manages to boot fast with Linux (given more expensive hardware), but those I have seen has ben slow as molasses. The good thing is that the "fatter" Linux OS on the black 1000-series at least seems to work as normal as the old white Windows scopes, one it's booted. That is the important thing for me (I really hate the slow user interface scopes from China and Taiwan). Slow boot time is irritating (especially as older versions has been better), but it is not critical. Quick GUI and responsiveness are the critical things. |
| martinot:
--- Quote from: TK on March 14, 2019, 06:51:26 pm ---I own the EDUX1002G, then purchased MSO5074 from Rigol... for me, it is not near the usability of the Keysight... it can be hacked to have tons of features, but it is slow and the serial protocol decoding a toy. I am about to return it The EDUX1002G hacked and with some hardware mods can have 2.5 channels and it is a pleasure and fun to use. The Rigol is giving me headaches, you don't know what you are getting from the scope, you are always wondering if what is showing is accurate or not. --- End quote --- Looked at the Rigol scopes as well, and I can only agree with your assessment. Really nice hardware (nothing to complain at all) and really low price, but not very polished or optimized software wise. And ugly as hell! :-DD |
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