EEVblog 1431 - Keysight EDU33212A Function Generator Teardown
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- Опубликовано: 21 окт 2021
- Teardown of the new Keysight EDU33212A 20MHz Function Generator
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#ElectronicsCreators #Keysight #Teardown 
Наука
STM32H750 - and theeere we have our reason why they can't deliver that function gen... :D
But seriously where are all the STM32 chips? Can't get anything for months now :/
@@Gigawipf especially for the st arm mpu, i really doubt st will give up their mpu product line.
@@Gigawipf It seems it's not only the chip production itself that can't keep up with demand - a distributor told me a few weeks ago that the plastics for packaging of the dies were the bottleneck at the moment. Maybe still an aftermath of the power outage in texas a few month ago?
they should recycle the plastic from dead chips on/in ewaste.
What's the problem? Are stm32 MCU's affected? Because I just bought 10 for $1.8 each yesterday.
Of course the fans are reversed. The oscilloscope has inputs and the sig gen has outputs. Do'h.
LOL, Nice!!
Gotta pump out all the electrons
At 14:32 that's not a PLL, that's the ethernet PHY.
yes, it's eth PHY connected to RJ45
Just before watching this I watched an old Marco Reps vid where he looked at the noise performance of the ubiquitous and much loved 7805 and was surprised at just how 'great' they are, we all love to see 'em ! .....cheers.
Video link pls
@@dxingindia8282 ruclips.net/video/XpbDMo8an5w/видео.html
You should do a video on the component shortages. Maybe go over the why, how, and how long we can expect it to continue.
Loving the 4K 😎 - It's like that equipment was right here on my bench!
I don't mind, I watched it in 720p on my CRT monitor at 1280x1024 :-) . The good thing it's not 60fps, because my old PC can't digest that even at 720p. It was working fine with 720p 60fps videos a few years before, now it's a slideshow on the very same 60fps videos, because lazy software developers don't care to optimize the codecs for old systems.
Well that's easy. The one suckin in air is the signal generator and the one blowing it out is the oscilloscope.
Why?
Because an oscilloscope "receives" signals, therefore it should blow out air in order to generate that vacum inside that the electromagnetic waves need to be sucked into the oscilloscope.
The signal generator, needs to suck in air to help push out the generated signals, you know, pushing those electromagnetic waves harder when you blow on them.
It's all physics everyone!
Always been a favourite area of video's for me. Oscilloscopes & tear downs of them, & maybe abit of fault finding & fixing. DS1054Z was it? A great priced scope that Dave shot many vid's of
man, i miss having a huge company funded lab! i don't have any keysight toys now lol
Great to see the AD9837 chip in this. That's the same chip I used as the source in my impedance spectroscopy system!
AD9837 is a DDS chip. That means this function generator is not a "TrueForm" waveform generator.
I think Dave said it was for calibration, AD9747 looks like the main DAC chip @@bxu789
Nice to see the caps are OK
About your question in the fifth minute of the video: In one box there is the fan that pulls air in while in the other box the fan pulls air out. And then they changed the worker to another more careful in using glue. 😁 I like your analysis ... good! 👍
The tape on those transformers are also different :)
12:03 The "ground" connections are not for ground. They are for the heatsink :) - Nothing else.
Yep, it would be ground but not meant to be used as a ground. Seen them on modems and are connected to metal shields.
Hello Dave, I used to work for Altronics in tbe early 80s so I know Jaycar and most of the electronic companies you mention, in tbe day I meet Dick Smith which my boss Jack O, donnald was not happy about.
I can ever so slightly remember that you said the EDU33212A teardown will be odysee only? ;)
But very happy that it is finally here, my favorite segment :D
Did I? It's been so long I forgot!
@@EEVblog At least I was regularly checking your odysee to see if the teardown would apear. Either you forgot, or I remember something that never happend! :D
Cyclone 10 FPGA's are impossible to find now. I think I bought some of the last ones on Digikey about 2 months ago. I'd stupidly started building a radio Pi board before checking whether I could get the FPGA only to discover I was SOL. I bought another larger version of the Cyclone 10 on Digikey but it'll need re-spinning the radio pi board FPGA footprint and rebuilding the FPGA bit stream for the larger part. I ordered the original Cyclone10's on Mouser anyway and the shipping date was April 2023 which has now moved to December 2022. grrr.
Oh, what do you use to capture 4K ?
What is this "radio Pi board" you speak of? Sounds interesting except for the out of stock FPGA.
@@ElmerFuddGun It's plugin board for a Raspberry Pi. Let me post a link and hopefully crappy RUclips won't delete my comment.
It's actually called a Radioberry. My bad
ruclips.net/video/1zNWX85wa8Y/видео.html
Xsplit. Video about it on my 2nd channel.
@@EEVblog Thanks! will check it out.
5:00 one has the fan pushing air while the other is pulling?
Do the color of the polarized capacitor have a meaning? In the 4:30 ?
14:31 Eth PHY?
Why would STM uC need external PLL here?
The fans blow in opposite directions and the tape on the transformers is different.
Oh my god, all the electrons are going to be blow out.... reversed fan!
I need help to fix my Bose companion 5 electronic board, " initially will give good sound then after about 15sec later will disable the high pitch and disappeared totally stop it's sound but power is on. Need help
Can someone tell me why is that there is no groundplane on the top layer and only just around the power supplies? I would expect to have sensitive data lines across the board, thus keeping the EM field tight should be in focus, then why leaving out the groundplane? Is the ground so close on the 2nd layer that it is enough?
Most of the top traces seem to be the digital signals. Given the need for matched length and high edge rates you only need one reference plane for impedance matching. Usually we buried the analog, can't tell if thats happening here. Digital generally doesn't care about external influences. Microstrip is also a bit easier to control the impedance since you only have to control one side.
that's most likely a multilayer board, with reference planes in the inner layers. in those cases, designers usually don't bother putting a ground plane on the outer layers as it does not help with signal integrity. as for why we see some around the PSU, it's to bring low impedence paths near the components and avoid tons of via near them i'd say
Great video Dave, do you have the time to suggest some good basic bench equipment budget friendly for a newbie on this hobby. My only current piece of equipment is a mint condition Tektronix 466 ex military scope. Thanks.
Rich
ruclips.net/video/HicV3Z6XLFA/видео.html
@@EEVblog Thank you Dave, very much appreciate the super fast reply. Love the videos, most go over the top of my head with just beginning at a young 67. I was used to crystal diode radios with single transistor boosting and the like as a boy. Had some variable tuning capacitors from very old radios the size of half a loaf of bread but it was all solid stuff. Kinda miss the ole valve radios and B/W TV’s. Anyways take care and God bless you and you’re family. TTFN 👋
Just wanted to say hi from Austria :)
"not that Australia rubbish" ;)
Not Australia!
awesome!
about that bit at 14:32, is that really a pll? i see some traces going to the ethernet connector, hmmm
I bet my money on ethernet PHY cihp
@@dimitar2175 The STM32H7 certainly doesn't need a PLL. It has 2 or 3 built in!
The ethernet phy probably has a pll inside 😀
@@plemli Gotcha! :D
9:54 - I haven't seen the name 'Interswill' in decades! :)
it's beautiful !! love it!! I need a good $300 scope!! odycee!! great tech rundown!!! thanks buddy!
What's with not silkscreen labelling the parts? Except for a few in the top right it's all blank. Is that supposed to slow down hackers or something?
I thought the difference was the placement of the transformers. The dark yellow and light yellow transformers are mirrored between the two boards.
5:10 ehm.. The direction of the fan and the transformers inverted?
Can you review the FNIRSI-1014D? Very cheap sub 200usd 100M oscilloscope.
Odyesee is constantly switching to low resolution like 360p and is really slow compared to youtube. Buffering takes forever. I'll stay with youtube.
Hey Dave - when can you teardown the Keysight EDU dc power supply?
I really don't like how close the fuse is to the case.
5:02 - The one on the right has an extra white 2-pin connector.
it's very hard to build anything around STM32* in the present day, IC lead time more than 2 years.
It’s not true. We are just starting a new design and plenty of parts at the source. Depending what type is needed
I'm a great FAN of yours...
5:15 So the power supply on the oscilloscope sucks.
Dave from @EEVblog, are you aware that there seems to be no single review on whole YT of this Function gen - except one from Keysight which is no review at all? Can I trigger you somehow for a change?
You currently can't buy it, so it's a bit moot at the moment!
@@EEVblog got it, thanks
the chip on the st side is a lan phy ic
Great video, except the sound is out by a few milliseconds. :)
Thought this was a @the signal path video from the thumbnail.
dramatic difference - fan direction :)
One fan is push one is pull?
Odysee is an alternative, but starting a discussion is no go, at about the third reaction you give in a thread the reply button disappears ?
Dave, I'd love to hear your comment about current economical/social situation in Aussieland. Maybe odysee would be a proper place to do so? What do you think about it?
Same as everywhere else, rooted, and rooted.
one blows aie in and the other blows air out?
is it possible to modify such a power supply so that one can operate such a device with a rechargeable battery?
yeah, you swap it out completely since it's modular.
Yeah, thought about doing this as a project.
@@EEVblog I would be very happy. I'm looking for a way to use my oscilloscope normally with a cable and also with a battery. an isolating transformer is not sufficient for some measurements.
Weird why people ask for a teardown. It contains a switchmode powersupply, a board with some chips, a keyboard and a screen. Its all the same today.
Unless it's a super high-end alien RF technology device
Keysight, made in China. How far HP has fallen.
dont mention it.. And on top of that the price tag for this puppy is not cheap - 920 bucks!
By a machine.
On the subject of the Odyssey. Unfortunately, it's no fun to watch videos there. After a jump in the timeline, the player no longer plays.
_"I'm up to_ *_53,000_* _followers..."_ - 1:12
Looks like *63,000* to me. But I'm Canadian... are numbers different in _Austria?_ ;-P
Why no testing dave?
Because it's a teardown.
@@EEVblog what I mean is you usually turn on the device after teardown. Thank you for sharing this dave
AND....NO CENSORSHIP on the "Odysee Platform" either!
That's why I have a channel their as well.
EXCELLENT recommendation Dave!!!!
hmm. not nichicon.....
They will still last 10 years if kept cool. They are, after all, OK capacitors, and should do the job well enough.
But they are OK!
@@EEVblog Good enough for Australia!
Half the frequency of an equivalent Siglent signal generator for twice the price... Keysight performance.
a great deal! :D
Would need a review of the performance before making an opinion. China is well known for exaggerating performance of their products.
It's marketed for education, anything public is twice the price and half the performance
Odysee exclusives are a step too far.
Fans are swapped inside vs outside
I have the FeelTech 100Mhz 6800 series which I got for ~$100. You don't get the large screen but otherwise it is much more capable than the Keysight at a much lower price.
I have a feeltech 6800 as well. I wish the screen was larger. or it had a video output. I have to look close to see the small text.
It's quite good device and great bang for a buck. Correct me if I'm wrong, but it's a good candidate for educational propose as well.
NTC not PTC…
RUclips has add? :)
Only ads I see are the 30 million shadow legends, raycon and other over priced Shady sponsorships that youtubers sell their dignity and ethics for.
The counter in the top right informs me that I have missed 608 already :p
You forgot the video outro
LOL, d'oh. Was too busy fixing the sync problems I guess (2nd channel video)
Odysee slow as slug grease
Odysee! Odysee! Odysee!
Don't like the form factor. Takes up too much desk space and prevents stacking. Don't need a huge screen for a signal generator. IMHO.
one fan is intake other outtake
Odysee no thanks
i wouldn't want this even if it was given to me for free
True, 920 bucks for the 2 channel 20Mhz f-gen is a bit to much, imho
Harsh!
20Mhz seems obsolete even for very low end equipment these days, I’m not a marketing guy, but 50 or 100Mhz seems like a better entry level unit for a new product. Even most low cost consumer gear is running components in the GHz range… Seems like these companies are stuck vending to 1970s TV repair shops…
you can still do a huge amount with 20MHz, theres still a lot of I2C/SPI/UART going on in electronics and lots of stuff you might want to probe that's a few MHz or less.
Fan blow, fan suck!
Computer fanComputer fanComputer fanComputer fanComputer fanComputer fanComputer fanComputer fan
ElectroBoom be like 👁👄👁
Please turn off cursor tails....
.......you are now getting sleepy.
I see this channel is about equipment advertising. It’s getting boring
You are right, it's getting boring, *18 VIDEOS* between equipment teardowns is getting WAY too much!
@@EEVblog maybe you’re right but it’s time to move on to more serious content