Thanks for posting the info!
Where do I get the binary file? Is it already in this thread and I missed it?
Did someone managed to get a USB to ethernet adapter working? I have a super cheap adapter from action.com here, but DG811 aka DG992 is not getting an IP-address via DHCP.
Any suggestions? I had a look on amazon's offers, but I didn't find any information about the used chipsets.
-rwxrw-rw- 1 1000 1000 842148 2018-07-19 09:12:50 modules/r8188eu.ko
-rwxrw-rw- 1 1000 1000 19076 2018-07-19 09:12:50 modules/rtl_usb.ko
-rwxrw-rw- 1 1000 1000 50952 2018-07-19 09:12:50 modules/rtl8192c-common.ko
-rwxrw-rw- 1 1000 1000 42048 2018-07-19 09:12:50 modules/usbnet.ko
-rwxrw-rw- 1 1000 1000 32048 2018-07-19 09:12:50 modules/r8152.ko
-rwxrw-rw- 1 1000 1000 22848 2018-07-19 09:12:50 modules/usbtmc_dev.ko
-rwxrw-rw- 1 1000 1000 69052 2018-07-19 09:12:50 modules/rtlwifi.ko
-rwxrw-rw- 1 1000 1000 19936 2018-07-19 09:12:50 modules/usbtmc.ko
-rwxrw-rw- 1 1000 1000 85044 2018-07-19 09:12:50 modules/rtl8192cu.ko
.rodata.str1.4:000038E0 47 65 6E 65 53 79+.LC8 DCB "GeneSys",0 ; DATA XREF: usbnet_open+1ACo
.rodata.str1.4:000038E8 4E 65 74 43 68 69+.LC9 DCB "NetChip",0 ; DATA XREF: usbnet_open+19Co
.rodata.str1.4:000038F0 5A 61 75 72 75 73+.LC10 DCB "Zaurus",0 ; DATA XREF: usbnet_open+1BCo
.rodata.str1.4:000038F8 52 4E 44 49 53 00 .LC11 DCB "RNDIS",0 ; DATA XREF: usbnet_open+1CCo
.rodata.str1.4:00003908 41 53 49 58 00 .LC13 DCB "ASIX",0 ; DATA XREF: usbnet_open+1D8o
LOL. Wondering if I should grab a DG811 now before they all disappear in a puff of smoke
Edit: I am curious though. Is the performance actually the same as with a "true" DG992?
Sinewave from ca. 2MHz and above is heavily attenuated
Ripple on squarewave is the same as in timber23s screenshots and gets pretty unusable after that (not very square after all above 6MHz).
Would be interesting to see if the output of a genuine DG992 differs. Might be, that there is some hardware selection in the factory just like other binning. (just a guess)
What about arb memory? Is there 16MB hidden in the 800 series that is made available with the “upgrade”?
What about arb memory? Is there 16MB hidden in the 800 series that is made available with the “upgrade”?timber23, you specified you compared a DG992 to the Siglent SDG2000X, I assumed it was a "real" DG992 but now I'm not too sure anymore since apparently you've (also?) got an upgraded DG8xx. I guess we should be very careful and accurate with the designations of the instruments, i.e. I'ld never call my "pimped" DG811 a DG992.
HOW TO CHANGE RIGOL DG800/DG900 MODELS
1. Get a blank formatted USB disk (capacity >= 1GB)
2. Write signature in the disk with the following command (in linux):
sudo dd if=DG800_sardinha.bin of=/dev/sda1 bs=512 seek=2000000
Out of stock in Batronix already
I am going to go through this: DG900 performance verification guide and see what gives.
I performed the Harmonic Distortion Test using my Siglent SSA 3021X. My pimped DG811 (aka DG992) passed all scenaios on both channels. Please find attached the resulting screenshots.
That's looking good, timber! How does it look at 100 MHz, just to complete the range?
That's looking good, timber! How does it look at 100 MHz, just to complete the range?
As you requested, here are the results for 100MHz. This test is not part of RIGOL's "DG900 Performance Verification Guide".
Furthermore I add the fall/rise-time and overshoot test. I performed the tests with respect to the beforementioned guide.
Does the rise/fall time measurement change much if you use a faster timebase? I'd get more slope visible on screen (i.e., instead of a vertical line) for measurement purposes.