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EEVblog

EEVblog

Күн бұрын

Пікірлер: 156
@TonyPirc
@TonyPirc 8 жыл бұрын
That block overlay of the PCB to help understand the design was *really* helpful! Thanks Dave!
@EEVblog
@EEVblog 8 жыл бұрын
Thanks, it took me a lot of hours to do that, but I thought it was worthwhile.
@RivetAmber
@RivetAmber 8 жыл бұрын
Awesome idea the block overlay 100% worthwhile for me. Very nice video and teardown, Thanks a lot Dave :D
@Daniel-ib5bx
@Daniel-ib5bx 8 жыл бұрын
Ya I couldnt agree more. One of the best teardowns ive seen just because you approached it that way this time.
@toysareforboys1
@toysareforboys1 8 жыл бұрын
Holy crap that block overlay was insane!!!! :) 22:21
@jusaca01
@jusaca01 8 жыл бұрын
Yeah, that was awesome! Love it :D
@Daniel-ib5bx
@Daniel-ib5bx 8 жыл бұрын
This was one of my favorite teardowns you have ever done (ive watch almost every video you have posted), I learned so much on this episode. The way you matched the block diagram to the board then walked through it was phenomenal. Loved it! Thanks! More like this!
@EEVblog
@EEVblog 8 жыл бұрын
Thanks. I liked the result, will try to do more like this in future teardowns, but it takes a lot more time unfortunately.
@Daniel-ib5bx
@Daniel-ib5bx 8 жыл бұрын
Well the additional effort was noticed and appreciated. Thanks again.
@vitormhenrique
@vitormhenrique 8 жыл бұрын
As everyone stated, best teardown ever, very good walk through the diagram blocks! Awesome!
@EEVblog
@EEVblog 8 жыл бұрын
Thanks. Worth the extra effort.
@PiezPiedPy
@PiezPiedPy 8 жыл бұрын
I second that
@stargazer7644
@stargazer7644 8 жыл бұрын
Yes. Great job on this one. Thanks!
@oldreader5836
@oldreader5836 8 жыл бұрын
Indeed. Best teardown ever.
@Anzac97
@Anzac97 8 жыл бұрын
Lots of work put into this teardown, absolutely awesome!
@EEVblog
@EEVblog 8 жыл бұрын
Yep, many more hours than usual, hence the lateness.
@TKomoski
@TKomoski 8 жыл бұрын
And how many chicken dinners ?
@marshaul
@marshaul 8 жыл бұрын
"I'm gonna have to eat every chicken dinner in this room."
@Booreak
@Booreak 8 жыл бұрын
This is probably one of the best teardowns i've ever seen. Very informative! Thanks Dave!
@nftmaster2050
@nftmaster2050 8 жыл бұрын
Definitely! Big thumbs up, Dave!
@FirstWizardZorander
@FirstWizardZorander 8 жыл бұрын
I totally agree. I really appreciate all the work you put into this, Dave!
@EEVblog
@EEVblog 8 жыл бұрын
Thanks!
@floriank4415
@floriank4415 8 жыл бұрын
"3.2 GHz it's practically DC" - Dave Jones, 2016
@Daniel-ib5bx
@Daniel-ib5bx 8 жыл бұрын
The funny thing is the more time that passes the more true this will be
@marshaul
@marshaul 8 жыл бұрын
"The funny thing is the more time that passes the more true this will be" Except, you canna change the laws of physics, captain!
@Lissica1
@Lissica1 8 жыл бұрын
Wie ich so Bullshitsprüche nicht leiden kann! Interessanterweise kommt sowas immer von Leuten die sich mit HF-Kenntnissen rühmen und wenn man dann genau nachfragt nur Dünnschiss kommt!
@swraman
@swraman 7 жыл бұрын
>Except, you canna change the laws of physics, captain! I work in DSAs...this is very pertinent to me!
@iamdarkyoshi
@iamdarkyoshi 8 жыл бұрын
Dave! If you are having trouble reading laser engraved part numbers, just wipe on a TINY dab of thermal paste with your finger and rub it off. The white paste stays in the etched areas leaving much higher contrast markings.
@Coolkeys2009
@Coolkeys2009 8 жыл бұрын
That was a very very positive review and teardown of that test gear which I found slightly surprising from you Dave :-) I hope the engineers and people involved in the project are watching this video looking at their work with pride. Great video thanks for posting.
@EEVblog
@EEVblog 8 жыл бұрын
I just got an email from Siglent thanking me, they liked it.
@Willster451
@Willster451 8 жыл бұрын
Best teardown you've ever done! Please make every teardown this detailed. I'd be happy to wait longer for them. Thank you so much!
@RandyLott
@RandyLott 8 жыл бұрын
Those photos you took with explanations were incredible. One of your best to date. You've always been the best, but you just upped your game!
@EEVblog
@EEVblog 8 жыл бұрын
Thanks.
@Indiskret1
@Indiskret1 8 жыл бұрын
This was an absolutely awesome teardown, so well done, so much detail. Love it!
@rong3194
@rong3194 8 жыл бұрын
Dave, One of the best videos you have ever done. It was like listening to a college lecture on spectrum anaylzers! Loved it.
@joedempseysr.3376
@joedempseysr.3376 8 жыл бұрын
Dave, this teardown and explanation were positively brilliant! This is your best yet. I liked how you superimposed your segmentation of each module of the main board and traced through the signal flow. I know how much work this was but I would rather see fewer, more detailed analyses rather than quick and simple. Seems you set the bar pretty high for yourself! ;-) But try not to be a victim of your own success! One more thing: some of the viewers here may appreciate a tutorial like you used to do on Fundaments Friday. I recommend, if I may, you do one on mixers, heterodyning, and filtering. In this case, a quick mostly maths-free overview would be beneficial. Thanks again, mate, and keep up the good work! I look forward to your next video!
@Koenraedus
@Koenraedus 8 жыл бұрын
I thought this was a briliant teardown Dave! I really loved the way you explained the PCB in blocks. Chapeau!
@jamieh9351
@jamieh9351 8 жыл бұрын
Dave, your electronics knowledge is genuinely astounding!
@dorota4298
@dorota4298 8 жыл бұрын
Nice vid Dave! Deep analyze of these RF guts is always welcome. Keep doing what U do!
@danielbjohnson
@danielbjohnson 8 жыл бұрын
Appreciate the extra effort in this one Dave.
@andycristea
@andycristea 8 жыл бұрын
Thank you for the overlay and detailed analysis! It was definitely worth the wait! Great teardown!
@pnjunction5689
@pnjunction5689 8 жыл бұрын
Wow! Big thanks for the extra effort with block diagram overlay and the detailed descriptions!
@EEVblog
@EEVblog 8 жыл бұрын
Glad everyone liked it. I was curious how it would be received.
@SilverGreen93
@SilverGreen93 8 жыл бұрын
Wow! Thanks Dave for the very detailed explanation of the functional blocks! Excellent functional overlays! Highly encourage you to make this more often! +1 :)
@EEVblog
@EEVblog 8 жыл бұрын
Thanks, I'll try.
@RachelMant
@RachelMant 8 жыл бұрын
That processor's JTAG is the header at 7:40 which you thought might be just for testing - it's the standard 20-pin ARM JTAG header. The other one just does the Spartan 6. The DC-DC immediately below the 20-pin is most likely an ADP5052 - it's a quad DC-DC + 1xLDO specifically designed to power Spartan 6's + DDR2/3. It's capable of providing 3.3V, 2.5V, 1.8V and 1.2V simultaneously with sufficient current to power even the top of the line XC6SLX150T.
@MaxKoschuh
@MaxKoschuh 8 жыл бұрын
oh wow, this video is awesome. A lot of effort went into the illustration. Excellent. Thank you Dave.
@boyinlove2k
@boyinlove2k 8 жыл бұрын
Amazing filming and editing, really aided with understanding. Thanks Dave.
@zx8401ztv
@zx8401ztv 8 жыл бұрын
I agree with you dave, a really nice design, i love modular systems too :-D. Smart and clean sectional layout, well worth the pennies, you can see the effort and thought put into the design. Imagine all equipment designed this way, im salivating LOL.
@7necromancer
@7necromancer 8 жыл бұрын
Very good, hope to see more teardowns as detailed as this :)
@JackZimmermann
@JackZimmermann 8 жыл бұрын
Love the setup of this video! Great structured way of presenting it. Cheers!
@senohpi
@senohpi 8 жыл бұрын
Thanks for the video Dave, i just may end up with one of those SSA3021X on my bench in the near future.
@alextrofimov7947
@alextrofimov7947 8 жыл бұрын
I absolutely love this block diagram - real PCB - type of explanation :-)
@kaizen9451
@kaizen9451 8 жыл бұрын
Thumbs up for the circuit overlay. If we can get this for other videos then brilliant!
@EEVblog
@EEVblog 8 жыл бұрын
Things like scopes are not so exciting, not as many building blocks to analyse.
@marcorizza274
@marcorizza274 8 жыл бұрын
That block analysis was great, thanks a lot
@Speglritz
@Speglritz 6 жыл бұрын
Fantastic video! Loved your block analysis
@sidlinger
@sidlinger 7 жыл бұрын
What a tremendous effort and excellent result on this video. Thank you!
@aussienetwork3859
@aussienetwork3859 8 жыл бұрын
BEST BLOODY DISASSEMBLER I KNOW!!! Love your vids
@gn_ghost4757
@gn_ghost4757 7 жыл бұрын
This video is so GREAT!!!! Really nice explanation for spectrum analyzer.
@arthurstraizhys
@arthurstraizhys 8 жыл бұрын
Wow Dave, this video is incredible! Much respect!
@arthurstraizhys
@arthurstraizhys 8 жыл бұрын
P.S. Videos like that remind me exactly why I got into electronics:)
@redshift78
@redshift78 8 жыл бұрын
Nice video ... liked the city tour on the circuit with road signs :-)
@bitrot42
@bitrot42 8 жыл бұрын
Great teardown! Interesting that there is an Altera FPGA on the back side.
@BMRStudio
@BMRStudio 8 жыл бұрын
For me is still woodoo.. Thank You Dave for open and show to Us. We again learned a lot! Lot of woodooo at least :)
@jdennee
@jdennee 8 жыл бұрын
Fantastic video, great job Dave!
@gork42
@gork42 8 жыл бұрын
The final IF doesnt necessarily have to be in the 0-20MHz range; the ADC can undersample a different nyquist zone provided an input with appropriate passband filtering. I'm not suggesting they do this, but it is certainly possible. Great teardown video though from Dave, thanks!
@Antiath
@Antiath 8 жыл бұрын
Great video ! Lots of useful info in there. Thanks Dave.
@PlasmaHH
@PlasmaHH 8 жыл бұрын
I have always wondered why they start at several kHz, from a design POV. This means I need one specifically for when I want to do some audio stuff, unless I have one of the super expensive 20Hz - 20GHz R&S ones
@ComplexPole
@ComplexPole 8 жыл бұрын
I suppose that's done because the phase noise becomes too great for general use below a few kHz.
@PlasmaHH
@PlasmaHH 8 жыл бұрын
Aars Haar maybe too great for the price target... R&S ones go down til 2Hz ...
@ComplexPole
@ComplexPole 8 жыл бұрын
Dennis Lubert I wish I could say I knew more about spectrum analyzers. I suppose they must be applying a trick to get down to 2Hz (which kind of blows my mind), maybe two signal paths for two halves of the total frequency range?
@PlasmaHH
@PlasmaHH 8 жыл бұрын
Aars Haar I never looked too much in detail into them, maybe I should next time I have that opportunity
@adnan2
@adnan2 8 жыл бұрын
Great teardown Dave! I loved the way you went thru the entire signal path. The part where you mentioned that the final IF frequency being less than 20 MHz is not correct. There is a phenomenon called "subsampling" where the sampled signal is at a higher frequency than the Nyqusit frequency. However the bandwidth of the final IF signal is less than 20 MHz, which is probably much less than 20 MHz since resolution BW of this SA is specified as 1 MHz.
@Kosmonooit
@Kosmonooit 8 жыл бұрын
Excellent work Dave!
@VikasVJois
@VikasVJois 8 жыл бұрын
I like the new format of explaining the whole signal path. Could have been better if you could point at things. When you mention a part descriptor, it takes a little time to locate it by eye
@EEVblog
@EEVblog 8 жыл бұрын
Yeah, that's one downside of this, it's not easy to poke. I'd have the screen capture instead and use a big cursor. But then I wouldn't get the nice zoom feature which is done in edit.
@kelli217
@kelli217 8 жыл бұрын
Is it possible that they found a way to optimize the VHDL core file that goes on that big Spartan FPGA such that they were able to eliminate the missing components discussed at around 8:00 and pack them into the FPGA, but it was late in the design process and redesigning the board would have to wait until the next revision?
@EEVblog
@EEVblog 8 жыл бұрын
Good point, because it would just be shaping the IF signal that goes into the ADC and FPGA anyway.
@SaeligCoInc
@SaeligCoInc 8 жыл бұрын
Great teardown, Dave!
@electronicsNmore
@electronicsNmore 8 жыл бұрын
Dave, just wanted to let you know that you forgot to add the link at 0:08 when you said, "click here".
@alantong6121
@alantong6121 8 жыл бұрын
Thumb up on the datasheet linking 👍👍
@freelancer917
@freelancer917 8 жыл бұрын
good job explaining the RF section!
@etmax1
@etmax1 8 жыл бұрын
They probably dropped the input protection because its integral capacitance interfered with the unterminated input BW linearity. At GHz it's damned hard to get a flat response with peaky capacitors (ie diodes) in circuit when there's no 50Ohm termination.
@alantong6121
@alantong6121 8 жыл бұрын
Agree
@TRoweNation
@TRoweNation 8 жыл бұрын
Great tear down video! Can you give us a tear down of the Keysight N9030A PXA so we can see a comparison to some of the higher end spec'an gear?
@AlanLiefting
@AlanLiefting 8 жыл бұрын
I remember a spectrum analyser at polytech back in the 1980s. It was the size of a small bus.
@etmax1
@etmax1 8 жыл бұрын
I'm amazed how cheap the Chinese get milling done compared to casting when you look at the west. I worked at an RF company that was designing a satellite receiver and they talked about paying $800 for a one piece milled enclosure in low qty and $400 in small quantities yet getting investment castings done was viable at 50 pieces. They must be getting the milling done REAL CHEAP. Also I suggest you use cotton gloves when doing tear downs as touching the aluminium causes almost immediate corrosion with skin oil contamination. This then in turn makes for a poor RF connection when it's reassembled.
@rhysd5410
@rhysd5410 8 жыл бұрын
aluminium oxidizes immediately on contact with air. No touching required.
@etmax1
@etmax1 8 жыл бұрын
Rhys D Yes that is true but the thickness of the oxide layer is heavily dependant on the chemicals present. If you touch it with your bare hands you increase the thickness and chemical nature of the oxides depending to some extent on your biology and skin temperature. It makes a difference for RF seals where 1 Ohm is 2% reduction in conductivity. Companies don't like to waste money on unnecessary thing so they wouldn't buy gloves unless they made a difference.
@Arni142
@Arni142 8 жыл бұрын
I like the photos you use in this video!
@DavidNadlinger
@DavidNadlinger 8 жыл бұрын
Aren't things slightly mixed up in the explanation starting from 27:30? Unless I'm mistaken, the reason for the multi-stage design is not primarily the need for a higher IF. You could use an IF of, say, 5.1 GHz in a single-stage mixer design just as well. It's just that doing narrow-band filters at that high frequency (for, say, an RBW of 10 Hz) is rather difficult, and of course an all-digital IF stage would then be rather impractical. Thus, you just have a pre-filter after the first mixer, but then mix down again, filter again, etc.
@jarodwhite181
@jarodwhite181 8 жыл бұрын
Wow! Great Teardown!
@TKomoski
@TKomoski 8 жыл бұрын
Great review Dave of the new Siglent SSA3021X. Nice to see you finally got one to review, I'm sure Siglent will be happy with the results. And us radical fanboys will be rushing out to get one. So I look forward to the next installment of the EEVblog. CHEERS !
@LeapFrog_Radio
@LeapFrog_Radio 8 жыл бұрын
Don't kid yourself, likely Siglent sent this unit directly to him, I could imagine Dave has a lot of corporate insiders backing him for publicity. "And us radical fanboys will be rushing out to get one." Doubt it, that unit costs over $ 1,500 new who rushes out to spend that kind of money?
@TKomoski
@TKomoski 8 жыл бұрын
I would if the price is right, but due to me living in Canada. The taxes, exchange rate and import charges would make the price double. I bought an Signal Hound SA44B from the US on Ebay @ $560 USD my landed cost was $964 CAD. But it seems like a nice bit of kit, I like to wait for 6 months or more to see other reviews. As for my comment as towards radical fanboys, I watch too much American politics. Cheers ...
@LeapFrog_Radio
@LeapFrog_Radio 8 жыл бұрын
Very good, yes the politics oh my!
@davegcffo
@davegcffo 4 жыл бұрын
Thanks Dave very useful mine came with a loose fitting faulty headphone jack plugging in an audio 3.5mm for a headset very loose fitting and almost useless contacted them via the agent they said it was a standard 3.5mm only option was to repack it it and send it back I only had it for 5 minutes so decided to do it myself your video was very useful love your vids buyer beware of this model if deemed important Dave UK
@sladjanavlijas295
@sladjanavlijas295 5 жыл бұрын
Hi Dave, thanks for great video :). I want to discuss about 49R9 resistor (23:43), and what is purpose of this resistor. This resistor is protection resistor, and SA will switch input this this resistor to protect input path from large signal (Am I right?). All other component in input path has 50 Ohm impedance, and no need for extra resistor.
@hobodozer
@hobodozer 8 жыл бұрын
I would quite like to see you design your own spectrum analyser, or any other type of test gear for that matter.
@EEVblog
@EEVblog 8 жыл бұрын
I'd suck at designing a spectrum analyser, RF design isn't my thing.
@hobodozer
@hobodozer 8 жыл бұрын
Anything other than RF then? I've been on the hunt for open-source lab gear and I feel like you'd be the perfect guy to design some.
@mRtUnBabY
@mRtUnBabY 3 жыл бұрын
Thanks and Recommended for all
@etmax1
@etmax1 8 жыл бұрын
The obsolete Hitite parts may only be so because Analog Devices bought them out and the naming is in flux. They are probably changing it from Hxxx to ADxxxx :-)
@costa_marco
@costa_marco 8 жыл бұрын
Awesome video. Thank you.
@ElmerFuddGun
@ElmerFuddGun 8 жыл бұрын
5:59 - Crooked IC U104... everything else looks squared up but not that IC.
@irishRocker1
@irishRocker1 8 жыл бұрын
5:30 - 5:40 "nothing exciting unless SMPS float your boat, dead giveaway with the inductors" Or....Dead giveaway with the SMPS silkscreen labels! haha :P
@Zetex2000
@Zetex2000 8 жыл бұрын
™Siglent Rust
@MarcinKurczalski
@MarcinKurczalski 8 жыл бұрын
It's both trademark for feature and colour- just try using one in your product and surely you're gonna get sued!
@DAVIDGREGORYKERR
@DAVIDGREGORYKERR 8 жыл бұрын
I think that the system will run really when you 16384bins rather than going any higher which causes it to slow down, I just wonder why they could not have used a A10-7850k to process the data and they would have to have any more graphics hardware as that would be on the A10-7850k and they could have written the firmware in ASM80586 for the A10-7850k, why did they not use a quadrature phasing mixer which which would be able to convert the RF to AF (direct conversion) thing and give a nice clean output.
@AlanLiefting
@AlanLiefting 8 жыл бұрын
Dave, there are no zeds in "chassis". Bloody Aussies! (Said Alan from NZ.) :-)
@blank7921
@blank7921 8 жыл бұрын
Is that a micro SD slot at 5:01?
@alperenalperen2458
@alperenalperen2458 8 жыл бұрын
Many of the thick traces on rf board( presumably 50 ohm rf traces) have their solder or/and silkscreen removed on them and around them. Is it a common practice in RF design. Also all of the distributed component filters or matching circuits dont seem to have solder resist and silkscreen on them. Is it neccesary to do that when designing Rf board? Do silkscreen and solder resist have huge impact on the charateristic impedance pf the trace and distributed component?
@MartinKL
@MartinKL 8 жыл бұрын
it's easier to get consistent characteristic impedance with no solder mask. Slight changes in soldermask thickness would change the impedance of the trace. Soldermask may also change over time due to environmental conditions.
@alperenalperen2458
@alperenalperen2458 8 жыл бұрын
Thanks for the response. In this particular device the solder mask around the paths are not removed all the way down they're just removed from the sides about the twice width of the line. Is there a rule of thumb for the size of solder mask opening around the path?
@camtheham13
@camtheham13 8 жыл бұрын
Do you shoot the actual teardown portion on the Tagarno?
@Jonas_Meyer
@Jonas_Meyer 8 жыл бұрын
Great video.
@MatthewSuffidy
@MatthewSuffidy 8 жыл бұрын
I've tried to understand quadrature decoding, carriers, Fourier transformations, and intermediate frequencies, but I am still confused. Some day, I don't know.
@matthewkriebel7342
@matthewkriebel7342 8 жыл бұрын
Me too. Every time I think I have a superficial understanding, I try to apply it and find myself confused again. Should have taken more EE classes. Maybe studying more ham radio materials will help.
@MatthewSuffidy
@MatthewSuffidy 8 жыл бұрын
I always resisted against the idea that really everything comes from sine waves, so things could come from triangle waves for example. From the point of view that everything is really sine waves, a triangle wave for example has many frequency additives to make that resultant waveform. Quadrature sort of makes sense then because at a single instance a cos and a sin interpretation of a signal is made together, and then more data in time. So I was confused how it seemed arbitrary what was being sampled, but with data in time, it is relative and meaningful?
@MatthewSuffidy
@MatthewSuffidy 8 жыл бұрын
Also I was worried that carrier encoded data would in fact collide. You can say in a frequency graph there is a space between the channels where the data encoded is. That is my understanding. It seems a carrier vs the data is almost so arbitrary that it would go everywhere.
@GodzillaGoesGaga
@GodzillaGoesGaga 6 жыл бұрын
Maybe this will help. m.kzbin.info/www/bejne/gqvRm3ZqgdRqoqc
@MartinPHE
@MartinPHE 8 жыл бұрын
this the click here belated April fools? Liked the block overlays
@markforster4984
@markforster4984 6 жыл бұрын
What is the total value of all the gold in this thing ?
@RoyvanLierop
@RoyvanLierop 8 жыл бұрын
A RF capacitor can act like a inductor when it's connected by a quarter-wave line. Does anyone know more about this?
@RicoElectrico
@RicoElectrico 8 жыл бұрын
Smith chart will help you understand ;) Mark a capacitor's reactance and plot an arc corresponding to a quarter wave line. Now, because you have made half a revolution, you're on the other half, with opposite sign of reactance.
@khronscave
@khronscave 8 жыл бұрын
The mains filter cap being a Lelon isn't THAT bad, but there's one on the secondary too - WHY?!?! >_
@lasersbee
@lasersbee 8 жыл бұрын
1:33... No it is really easy to see... it must be a feature at that price :/
@robby7729
@robby7729 8 жыл бұрын
Is that Micro Sd slot by USB port?
@jotaemebee
@jotaemebee 8 жыл бұрын
yep, close to the future resistive touch flat flex cable connector xDD
@robby7729
@robby7729 8 жыл бұрын
+Jotaemebé thanks
@pedro1066
@pedro1066 8 жыл бұрын
they should have put a z before the X then it would be the ZX Spectrum Analyser!
@TheJunkonwheels
@TheJunkonwheels 8 жыл бұрын
now you void your warntie on that Spectrum Analyser or have you get it for free
@EEVblog
@EEVblog 8 жыл бұрын
I goes back to it's owner.
@iandraper2197
@iandraper2197 2 жыл бұрын
If DC is so bad for Spectrum Analyzer, why are DC blocks not built into the unit?
@666Tomato666
@666Tomato666 8 жыл бұрын
Oh, I'm not so sure it's "practically DC" if you have to use GaAs components...
@BMRStudio
@BMRStudio 8 жыл бұрын
I missing only one label from the back cover... Yolo!,,,, :))))))))
@JoshuaNicoll
@JoshuaNicoll 8 жыл бұрын
Didn't let it fall down again haha
@ribb4200
@ribb4200 7 жыл бұрын
Siglent Mona Lisa electronic art.
@Martini_GP
@Martini_GP 3 ай бұрын
shaziiiii 😂 thank you btw
@Landes1024rs
@Landes1024rs 8 жыл бұрын
WOOOOO
@neohelios77
@neohelios77 8 жыл бұрын
Hi Dave, Long time lurker, and I love your channel! I have a question if I may have a moment of your time. My son has begun to take a larger interest in these DIY kits available on Amazon (ie. ASIN#B0130LKYWE, B00XXZB5LW), and I was wondering what your opinion was on these for learning electronics. Myself, I recall the old "spring-based bread boards" from back in the day, but these kits seem to have great potential. Do you have any suggestions in particular for these kits, or possibly a recommendation for an "actually useful" DIY o-scope kit? Thanks in advance!
@Gordonseries385
@Gordonseries385 Жыл бұрын
👍
@ryux
@ryux 8 жыл бұрын
Winner, Winner, Chicken Dinner
@МиланПавловић-ф3т
@МиланПавловић-ф3т 8 жыл бұрын
I hate BGA chips!! This is a shame for electronic industry!
@luto2000
@luto2000 8 жыл бұрын
BULLSHIT ALERT: has anyone heard about "wireworld" cables? they sell all kinds of ultra expensive cables, i'd love to see Dave crush them with some hard science!!!
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