FNIRSI DSO1013D Tablet Oscilloscope ⭐ Low budget ⭐ 2 Channels 100Mhz w/ 1GSa/s sampling rare

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FNIRSI DSO1013D is the 2 Channels 100Mhz oscilloscope in a tablet/portable version with an appealing price and decent set of functions. www.pcbway.com
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00:00 - Intro
00:35 - Welcome
02:06 - Features hiughlights
02:23 - Unboxing & What is delivered
03:50 - First impressions
05:29 - On screen options
06:37 - Operation
10:15 - XY mode
11:49 - FFT
12:38 - Picture & Waveform save
16:10 - Probe compensation
16:46 - Bandwidth test 1 channel
25:03 - Bandwidth test 2 channels
33:15 - Teardown
39:47 - Conclusion
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31 май 2024

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Комментарии : 56

@Dennis-mq6or 4 месяца назад

The differences in the bandwidth limits of the two channels can be easily tested by simply switching the probes to the opposite channels. If the high bandwidth channel moves with the probe, it means the scope is fine and the probes were not properly compensated. I compensate at a high frequency squarewave because I have one available, and it makes a huge difference in the performance at the high end of the channel's bandwidth. Also keep in mind that if your sample to sine wave conversion requires 5 samples, your scopes conversion routine may very well be running out of time to take that many samples when you get to around 100 Mhz, and will start aliasing.........

@TechCornerTV 4 месяца назад

Hi Dennis, thank you for sharing, the change probes tip really makes sense. Should have though about it before. Thanks for watching.

@khuongathebounga4141 7 месяцев назад

Nice review. As usual thank you for being so detailed with your reviews.

@TechCornerTV 7 месяцев назад

Hello, nice to have you back and thank you for watching!

@rcampici 2 месяца назад

You do realise that to measure to 100 MHz the probe capacitance will act as a low pass filter and your measurement becomes inaccurate, you should be using 100:1 or better still 1000:1 probe to minimise the probe reactance.

@TechCornerTV 2 месяца назад

Hi! Good to know. At the moment I don't have 1000:1 probe, I'll try to get one for future tests. Thanks for sharing and watching!

@JeffinTD 5 месяцев назад

Obviously it took a lot of effort and knowledge to make your videos. As someone thinking about getting a first scope I found your videos very helpful and I wanted to say thank you.

@TechCornerTV 5 месяцев назад

Hi, thank you so much for your nice comment. Glad it was helpful. Thanks for watching.

@JeffinTD 5 месяцев назад

This unit it seems to me would have been better received if they called it a 75mhz scope. With a 7” touch screen and simple user interface for around $120 shipped to your door I still think it would be a value. Anyway, if I could bother you with a question. I do some tinkering with electronics, for which I think anything the 100mhz bandwidth that’s easy to use would meet my needs. But, I also do some mechanical stuff. The fastest thing there I’d look at would be can bus, but it would need to capture a long time frame at low frequencies. Say being able to capture 2 engine revolutions worth of cam and crank hall/inductive signals. A person would want to see the individual pulses for at least 2 revolutions to determine the relationship between the two, though panning the screen over would be ok. I’m not really up on scope memory to tell from the specs what models might capture that much data. So basically a budget tablet, 2 or 4 channels, 100 or better MHz, and a bit of memory/time capture. Anything like that exist? Perhaps I’d be better off with 2 devices, like a USB Pico or Hantek for automotive, and a handheld for portable fiddling with power supplies and what not…

@TheSmartGerman 5 месяцев назад

There is a alternative firmware development in the eevblog forum Topic: FNIRSI-1013D "100MHz" tablet oscilloscope. The maker also added a RTC modul and improved adc stability over battery voltage.

@TechCornerTV 5 месяцев назад

Hi, that is very nice information to know, thank you for sharing. I do enjoy the EEVBlog foruns, but there is so much information and the time latelly is so little that I'm not able to go there as I would like. Thank you for sharing and for watching.

@frankgriner2932 2 месяца назад

Excellent review! As mentioned at the end I'm using this for automotive sensors. Wasn't sure on all the settings and functions but I think I have it now.

@TechCornerTV Месяц назад

Hi, thank you so much for sharing. I'm not into automotive electronics, so it is really cool from you to take the time to share and confirm it 💪 thanks for watching!

@nikthefix8918 6 месяцев назад

I keep hold of my analogue CRO scopes just for showing off Lissajous figures. Great at parties.

@TechCornerTV 5 месяцев назад

Hi, sorry the late reply, trying to keep up with the comments, not easy. Very nice to know... yeah it gives always a idea of mad scientist to show your friends 😁 Thanks for watching!

@danlaskowski 3 месяца назад

nice review...never expected you to tear it apart

@TechCornerTV 3 месяца назад

Hi, yeah and this one was the only one until now that I broke on the teardown. I have here a new touch module because the original one stoped working on half of the screen 😬 when I get the time, I will repair it and do a video also of it. Thanks for watching.

@jeromewink557 5 месяцев назад

Yes. The 1014D is about same price but if you go review your old video it didn’t perform as well. Both lie about the specs but this one is a little newer and I am guessing the processor is better in the tablet version.

@TechCornerTV 4 месяца назад

HI Jerome, yes my unit did have multiple issues. It was the first giveaway of the channel, so I can't retest it now, I would like to give a second run on it, this oscilloscope was released previously than the 1104D and had some bad reviews, that I was expecting even a worst experience. I'm glad was not the case. Thanks for watching.

@gleidson1978 7 месяцев назад

O título está DSO 1103, só avisando mesmo. Excelente canal de tecnologia. Saudações do Brasil!

@TechCornerTV 7 месяцев назад

Olá! Obrigado pelo alerta e por assistires. Já corrigi 😁 Um grande abraço para o Brasil!

@elburrona 6 месяцев назад

Thanks for your great reviews!. I am just a hobbyist that like to try to repair broken stuff before I throw it in the garbage, I have manage to salvage a lot of electronics just with a voltmeter. I feel my next step is to get an oscilloscope and the prices are quite affordable now. I have looked at DSO1013D, the DSO3D12 and the Zoyi ZT702S . I do like the large display of the DSO1013D, but the buttons and functionality of the DSA3D12. the price point and portability of the Zoyi is great too. what would be your top pick for a small workstation?. thanks!.

@TechCornerTV 6 месяцев назад

Hi, thanks so much for you nice comment, really appreciate. This is a hard question, because you're more or less in the same price range, but comparing devices with different specs and mainly screens/sizes. If you worked with a multimeter and were fine with it, any oscilloscope will be a huge improvement. The Zoyi is a very nice piece of equipment and it is also DSO3D12 for portable oscilliscopes/multimeters and you even have now the FNIRSI 2D23T that I just made a review. For large screens, you can go with the DSO1013D or even with DSO1014D for entry level oscilloscopes. Also your budget is very important in here, so if you're pointing to a budget of $60 to $150, my choices will be for oscilloscope only DPOX180H, DSO2512G small factor, 1014D 7" screen, or 2D23T, 3D12 or ZT702S for multimeter/oscilloscope. Thanks for watching.

@danielbichokov1340 16 дней назад

Hi, nice review. How long period does the save wave saves ?

@TechCornerTV 2 дня назад

Hi, well the saved waveforms are saved on a SD card inside it, they will be there until you delete it. Thanks for watching and your nice comment!

@TRONMAGNUM2099 6 месяцев назад

Not bad, but I ordered the DSO3D12 with your Aliexpress Affiliate link. I like that it can do everything.

@TechCornerTV 6 месяцев назад

Hi Tron, thanks so much for the support and for being here for so long !

@SuperFredAZ 4 месяца назад

Did you have a (50 Ohm) terminating resistor at the scope input?

@TechCornerTV 4 месяца назад

Hi, not at that time! Thanks for watching.

@EDVDompteur 7 месяцев назад

It would have been interesting to see a square wave signal in the range up to 100 MHz. I don't know why you only tested the sine function, because every oscilloscope can actually represent sine quite well. Only with square-wave signals do the weaknesses of a device reveal themselves.

@ivolol 6 месяцев назад

sine wave is the purest wave. Often a function generator's highest bandwidth waveform is also only a sine wave. A good square wave is much much harder because of all the higher frequency harmonics needed to implement it. For any oscilloscope, it should generally not be able to render a square wave properly near its bandwidth limit because there aren't enough sample points for it to knowingly reconstruct a square wave on the screen. That said, many manufacturers over or under specify their bandwidth's for given scopes, to different amounts. Given that, testing a sinewave is the purest absolute test, because a sine wave is the last waveform that any oscilloscope can possibly display before it can't measure the signal. So a -3dB point always provides an objective point of comparison across all scopes for where their absolute bandwidth limit lies.

@EDVDompteur 6 месяцев назад

In digital technology, you have to deal with square wave signals, never with sine waves. It is uninteresting what high frequencies an oscilloscope can still display with sinusoidal voltage if it fails miserably with square wave signals. That is why a test should always be carried out with square wave signals. It is then clear anyway that it goes a good deal further with sine waves.

@TechCornerTV 6 месяцев назад

Hello, my function generator is not able to output a 100Mhz square wave, it is pretty hard to have a good square wave at 100Mhz... But I will try to show more times the other waveform types, normally I just forget. I gotta get a todo list for the reviews. Thanks for watching!

@EDVDompteur 6 месяцев назад

@@TechCornerTV There is no need to test waveforms other than rectangular. If the steep edges are OK, then the flatter signal rises will be OK anyway. That is also the reason why you always calibrate an oscilloscope with a square wave signal.

@georgecraft007 5 месяцев назад

I really disliked the cheap plastic fold-out stand. I was always getting glare from the scope angled towards the ceiling. I decided to modify my fold-out stand with a couple of small O-rings. I put the O-rings over the plastic hinge pins of the fold-out stand. This sort of worked, but when I installed a small piece of 4mm plastic on the other side of the stand, it wedged the hinge O-ring tighter and provided the friction that I was looking for. The change is like night and day. I used to have a flimsy stand and now I have a stand that stays in place where ever I position it. No more glare in my eyes.

@TechCornerTV 5 месяцев назад

Hi George, sorry the late reply, trying to keep up with the comments, not easy. I agree with the points your brought out. This was one of the first oscilloscopes from FNIRSI and it shows. I think today, they're sending to the market items with much more quality. Thanks for watching.

@ivolol 6 месяцев назад

It's a pity this is before they learned to give a proper bandwidth number. If it's advertised as 75Mhz scope, no-one can complain, or even be impressed. Would love to see you test the sampling rate as well, if it's possible.

@TechCornerTV 6 месяцев назад

HI, I'm always open to improvement, my videos are already a bit long, sometimes I pass somethings, but I will try to test it in the future. Thanks for watching.

@ivolol 6 месяцев назад

@@TechCornerTV If only just enough, to give a pass / fail. There is no spec that's guaranteed with many of the chinese OEM's unfortunately 😅 It almost seems worth it congratulating them when they don't lie...

@b747xx 7 месяцев назад

The Chineses are getting it There products are getting incredibly good, enough that other big brands are lowering there price for there "low end" stuff, for example the Rigol DHO800 serie, begin at only 299$. Give them another 5 years...

@TechCornerTV 7 месяцев назад

Hi, if you think about it, there is very little things that are not chinese nowadays, even high end products. So, these no so established brands are learning fast and FNIRSI evolved a lot in this last 2 years. They are releasing products very near to the accounced specifications, and that is an improvement 😁 thanks for watching

@tonyfremont 7 месяцев назад

I see they still haven't added input signal inversion, sigh. I wish they would just tell the truth about bandwidth and sample rate, its probably closer to 100M samples per second, not 1G. Aside from this, its not really terrible, especially compared with some Hantek offerings.

@TechCornerTV 7 месяцев назад

Hi, I assume that I'm no expert, this channel is a hobby, might be a very bad reviewing stuff, but I do not lie. What you see is what I got using the system I have to test things... but I agree with you, my first expectations were worst, after working with it, it as kind of nice surprise. Its not perfect, but I saw worst already. Thanks for watching.

@alssilva8496 7 месяцев назад

Não haver informações sobre microprocessador na internet já é mau

@TechCornerTV 7 месяцев назад

Olá, no EEVBlog à lá quem tenha dissecado o osciloscópio, no geral, até gostei de trabalhar com ele... só desejava mesmo que eles fossem mesmo mais precisos nas especificações, é de 60Mhz... ok, tudo bem! Não vale a pena inventar... Obrigado por assistires.

@Krzysiek70 7 месяцев назад

33:00 - How this works? It's simple answer - Republic of China product 🤣. What are the differences compared to the previous version (except for BNC sockets)?

@TechCornerTV 7 месяцев назад

Hi, I didn't used the previous one, but for what I understand they said that the real bw of the model when was released was about 30Mhz... so that's what I was expecting to see... it handled a bit better than I inicially previewed, so I think the ADC were also updated. Thanks for watching.

@Peter-rt3tu 7 месяцев назад

@@TechCornerTV I wonder if they really did improve the analog section or instead did some software tricks to make it look like a better bandwidth. Is the reading the same in different timebase settings? You could also check the rise time, that is another indication of bandwidth. Do they still blank out every signal that is below 30mVpp? They did in the beginning and showed a straight line instead, which makes it fairly useless for measuring some audio signals. As for the different readings in the two channels: recently I fooled myself into this by using one probe that was not properly compensated for my scope, which resulted in increased readings with higher frequencies. Could that be the problem in this case?

@Peter-rt3tu 6 месяцев назад

@@TechCornerTV sorry, didn't watch the whole video yesterday night, now I've seen you calibrated both probes. Then I have no idea either what went wrong.

@samsman007 Месяц назад

So, it is NOT a 3 in 1 like DSO3D12 ! Would have been a killer!

@TechCornerTV Месяц назад

Hi, this is a personal opinion, but I like more the devices without all those functions, ,I prefer when they concentrate in being good on one thing thing instead of more or less doing everything, That said, I do see advantages to have a multi function tool if you're on the field, instead of carring a lot of devices. So I get your comment. Thanks for watching.

@marcelomigueldasilva7444 6 месяцев назад

Que pena que a escala em x10 o mínimo é de 500mv

@TechCornerTV 6 месяцев назад

Olá Marcelo, sim ele faz o multiplicador de 50mV. Obrigado por assistires.

@marcelomigueldasilva7444 2 месяца назад

Mas por outro lado, conseguir 82 MHz nós dois canais simultâneo é um osciloscópio ousado 🎉

@Ruskieit Месяц назад

Is there any cover/case that one could possibly buy?

@TechCornerTV Месяц назад

Hi, official I don't believe so, but considering the measures, you can easily buy on aliexpress, see some examples here geni.us/SEV3Y but you have some with foam DIY that you can cut and store it exactly as you want. Thanks for watching.