3 ms·

Tearing into a $1.3M Oscilloscope

30 points by dmmalam 6y ago

kencausey 6y ago
Source, I think...: https://thesignalpath.com/blogs/2018/09/18/keysight-keysight-uxr-110ghz-bw-256gs-s-10-bit-4-channel-real-time-oscilloscope-teardown-experiments/ https://thesignalpath.com/blogs/2018/09/18/keysight-keysight...
jcims 6y ago
I knew this was going to be Shahriar from TheSignalPath. If you even have a passing interest in electronics or radio, I can't recommend his channel enough. He's regularly doing teardowns and even repairs on remarkably complex (and expensive!) test equipment from the past few decades. RF is weird and you'll see some complex and alien physical configurations in the equipment that many times look like dark arts. He puts a lot of effort into his videos and the scenarios he creates to demonstrate the power that this technology brings to the table. This 128GHz FFT is insane. I'm honestly a little surprised that this doesn't have ITAR regulations on it: https://youtu.be/DXYje2B04xE?t=2628 https://youtu.be/DXYje2B04xE?t=2628
- systemvoltage 6y ago
  Also to note that his videos have no fluff besides a few seconds of intro. There is no background music, non-sense commercialization and over-production of videos. It is along the lines of EEVBlog and other channels. This format is amazing but highly unpopular in other fields. People want more entertainment and a lot of content creators succumb against their will to stay afloat. Linus Tech Tips and MBKHD are the worst offenders of this.
lmilcin 6y ago
The amount of wizardry required to make this work would put every teacher at Hogwarts to shame. The frontend looks like something completely alien. I am pretty sure the amount of metal is to get rid of complicating effects of having PCB anywhere near the sign and to be able to machine it so that signal paths are matched to something like micrometers. I sort of understand principles, but same way as understanding principles of electromagnetic wave reflection and propagation tells you nothing about how to make invisible planes. I wonder if the frontend is result of finding solutions to equations, meticulous computer modeling or just humongous number of experiments (sort of like aerodynamic tunnel work).
fuzzfactor 6y ago
Keysight is of course the remains of the company founded by Hewlett & Packard long after HP spun off Agilent then after Agilent spun off Keysight.
- jeffrallen 6y ago
  Sad.
kevin_b_er 6y ago
Might want a 2018 tag on this. I thought it was a new teardown but it turns out I watched this video closer to when it came out. Still an astounding video on this beast, however.

30 points by dmmalam 6y ago

Source, I think...: https://thesignalpath.com/blogs/2018/09/18/keysight-keysight-uxr-110ghz-bw-256gs-s-10-bit-4-channel-real-time-oscilloscope-teardown-experiments/ https://thesignalpath.com/blogs/2018/09/18/keysight-keysight...

jcims 6y ago

I knew this was going to be Shahriar from TheSignalPath. If you even have a passing interest in electronics or radio, I can't recommend his channel enough. He's regularly doing teardowns and even repairs on remarkably complex (and expensive!) test equipment from the past few decades. RF is weird and you'll see some complex and alien physical configurations in the equipment that many times look like dark arts. He puts a lot of effort into his videos and the scenarios he creates to demonstrate the power that this technology brings to the table. This 128GHz FFT is insane. I'm honestly a little surprised that this doesn't have ITAR regulations on it: https://youtu.be/DXYje2B04xE?t=2628 https://youtu.be/DXYje2B04xE?t=2628

systemvoltage 6y ago
Also to note that his videos have no fluff besides a few seconds of intro. There is no background music, non-sense commercialization and over-production of videos. It is along the lines of EEVBlog and other channels. This format is amazing but highly unpopular in other fields. People want more entertainment and a lot of content creators succumb against their will to stay afloat. Linus Tech Tips and MBKHD are the worst offenders of this.

lmilcin 6y ago

The amount of wizardry required to make this work would put every teacher at Hogwarts to shame. The frontend looks like something completely alien. I am pretty sure the amount of metal is to get rid of complicating effects of having PCB anywhere near the sign and to be able to machine it so that signal paths are matched to something like micrometers. I sort of understand principles, but same way as understanding principles of electromagnetic wave reflection and propagation tells you nothing about how to make invisible planes. I wonder if the frontend is result of finding solutions to equations, meticulous computer modeling or just humongous number of experiments (sort of like aerodynamic tunnel work).

fuzzfactor 6y ago

Keysight is of course the remains of the company founded by Hewlett & Packard long after HP spun off Agilent then after Agilent spun off Keysight.

jeffrallen 6y ago
Sad.

kevin_b_er 6y ago

Might want a 2018 tag on this. I thought it was a new teardown but it turns out I watched this video closer to when it came out. Still an astounding video on this beast, however.