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| Possible GW Instek GDS-1000B hack |
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| killingtime:
--- Quote from: SWR on April 09, 2018, 08:17:37 am --- --- Quote from: Distelzombie on April 09, 2018, 08:05:39 am ---Which HTML file generator? Can't find a link to anything here. --- End quote --- It's in reply #3. --- End quote --- Yes it is hackable. In reply 3 (post number4) there is an attachment called lis.txt. Download this, and rename it to lis.html, then run the html file in a web browser. It will prompt for the serial number of your scope (can be found on the back sticker or the System Info screen). All the hackable options will turn to links. Click on the links and you'll be prompted to download individual .lis files. Copy all the .lis files to a USB2 pen drive (USB3 didn't work for me) and insert the pen drive into the scope. Using the File Utilities menu on the scope, navigate to the .lis file of choice (using the 'Variable' knob and then press the 'Select' button below the Variable knob. You'll be asked if you want to load the file. Press Select again and reboot the scope. The option (if it's available on the scope) should now be enabled. I have a feeling that the power analysis software isn't part of the scope base software image, so although the lic file loads there's nothing to execute. If you want to increase the bandwidth of the scope then you only need to load the one .lis file for the BW you're after. Three options are available; 100, 200 and 300 MHz. I don't know if these work. Someone with an RF generator needs to try it out and see how flat the response is. I'd also be curious to know if the BW options break the maths functions like FFT beyond the original BW spec of the scope. Start with the serial decode option and the waveform search option. Both of these worked for me. |
| seronday:
The Licence Generator also works for the GDS-2000E series DSO. I have used it to produce a license file to upgrade the bandwidth of a GDS-2074E (70Mhz) to 200Mhz. The detailed information is in the thread on GDS-2000E :- https://www.eevblog.com/forum/testgear/gw-instek-gds2204e-(200mhz-4-channel-dso)-review/msg1478352/#msg1478352 |
| Distelzombie:
Very cool. How does a hacked GDS-1054B @ 100Mhz compare to the hacked Rigol 1054 or the unhacked Siglent SDS1104X-E? Price seems similar. Great, I can get the GDS-1054B with deferred payment - meaning it's a good option against the Rigol. Couldn't find that for the Siglent. Edit: Damn... the Instek comes with only 70Mhz probes. Why does it always comes back to the Rigol? Is the hack "real"? Like, real increase in bandwidth etc. What else is software upgradeable? |
| rf-loop:
--- Quote from: Distelzombie on April 14, 2018, 06:45:54 am ---Very cool. How does a hacked GDS-1054B @ 100Mhz compare to the hacked Rigol 1054 or the unhacked Siglent SDS1104X-E? Price seems similar. Great, I can get the GDS-1054B with deferred payment - meaning it's a good option against the Rigol. Couldn't find that for the Siglent. Edit: Damn... the Instek comes with only 70Mhz probes. Why does it always comes back to the Rigol? Is the hack "real"? Like, real increase in bandwidth etc. What else is software upgradeable? --- End quote --- If you compare chinese GoodWill GDS-1000B 4 channel models to chinese Siglent SDS1104X-E it is good to note some differencies. Siglent have max 500MSa/s for all 4 channels simultaneously on and this GoodWill have max 250MSa/s. With 2 channels on Siglent have both channels 1GSa/s and GW have 500Msa/s. This is because Siglent have 2 ADC. Each one is shared with 2 channels and GW have one ADC what is shared to all 4 channels. (both use same Hittite ADC) And some more examples -Siglent max wfm/s speed is least double. !-Siglent have continuously always backround running full speed waveform history buffer, up to 80000 last waveforms (stop and look what just previously happend). !-Siglent have also fast segmented memory (aka sequence) acquisition, up to over 400000 segment/s and up to 80000 segments with relative time stamps. -Siglent fastest display time base is 1ns/div and GW 5ns/div. -Siglent have full BW full resolution 500uV/div !-Siglent have 500pts resolution SFRA up to 120MHz (not option, this is default but need external generator). !-Siglent have Serial decoding (not option, this is default) !-Siglent is also ready for MSO Option (16ch LA with 4 analog channels) |
| nctnico:
However the GW Instek doesn't have bugs and it has features like free-form math, signal filtering, data logging, etc which are very useful when developing circuits and/or hunting for rare events. For 100MHz 250Ms/s is more than enough and high waveforms/s is not really important unless you get into triple digits. Even very high end oscilloscopes don't have high waveforms/s. The same goes for the history buffer. You can always turn on segmented recording and get exactly the same. The GW Instek can also do statistic analysis on the recorded segments. |
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