New Episode:OWON Show #3 XDS 12-bits resolution - Page 1
Forum section: electronics / testgear

author: OWON
author_rank: Contributor
timestamp: May 05, 2016, 06:28:32 am
content: Hi, guysIt's a good summer here in China. Hope everything goes well in your side as well.We still keep on video shoting to introduce our product for you. It's also grateful to get your advice and know what aspect you are interested in (such as Wifi connection, intensity gradation).OK. Go back on video, in this video, we will compare the oscilloscopes from 8-bits to 12-bits. You could see the difference between them, and know why you should purchase a 12-bits oscilloscope. However, as the content is too much to cut into one video, so we take it apart into 2 episode. This time, pls see the episode 1 of 12-bits introduction.https://youtu.be/-f5M4fc6bV4Little market news, OWON will attend International Microwave Symposium in San Francisco,California,U.S.A during May 22~27, our booth is at No.2619 in Floor 2. Welcome if you have interest in our product. Here is the official website of this exhibition:http://www.ims2016.org/

author: OWON
author_rank: Contributor
timestamp: May 09, 2016, 08:53:15 am
content: New episode (part 2 of 12-bits oscilloscope) will release soon within these days.

author: rf-design
author_rank: Regular Contributor
timestamp: May 09, 2016, 07:05:41 pm
content: Hi producer,I am interested in 12bit scopes but found up to know that most of them lack analog accuracy. My application have wide voltage range transitions and it is notonlyimportant to have a high resolution for signal detail. But accuracy of the measurement at the detail seems to be distorted by amplifier effects. We also have some 30 year old Tek 11300/11400 here because they made a very precise 11A33 which must complement our measurement because it is unsurpast by any scope.So could you provide some information about your frontend amplifier?1. At what fullscale factor related to the ADC the amplifier get clipped?2. What is the analog offset range for the most sensitive input range?3. If I apply a pulse what is the voltage droop after initial settling?4. If I overdrive the input amplifier how the recovery transient is looking?Excuse for the detailed questions but I need the accuracy, not only the resolution.At high resolution I listen music, for measurement I must trust accuracy.

author: pascal_sweden
author_rank: Super Contributor
timestamp: May 09, 2016, 07:42:30 pm
content: For my understanding: Isn't a low background noise level in the scope, and a high ADC resolution (12-bit) enough, if the ADC does not use interleaving?Or are you refering to the linearity of the amplifiers in the front-end stage?

author: nctnico
author_rank: Super Contributor
timestamp: May 09, 2016, 09:17:00 pm
content: Quote from: pascal_sweden on May 09, 2016, 07:42:30 pmWhen it comes to accuracy the first thing you'll want is an extremely very flat frequency response. Unfortunately 0.1dB is already an error of about 1% so you'll see that it is almost impossible to build an oscilloscope which is accurate over a wide frequency range. 12 bits is nice to look at small wrinkles in a signal by using the vertical zoom but it won't be very useful for absolute accuracy. If you need to measure the amplitude of a signal very accurately you need different kind of equipment.

author: rf-loop
author_rank: Super Contributor
timestamp: May 10, 2016, 08:27:31 am
content: Quote from: nctnico on May 09, 2016, 09:17:00 pmYes. If think 12 bit, resolution is 1:4096. I can not see any kind of possible to make oscilloscope, say example 0-100MHz so that true accuracy is 12bit over this frequency band. "Mission impossible". I can see it is possible in theory but if transfer this theory to practice it is so expensive that no one have money to buy it. And why even try? For what?Because we need then ask mandatory question. How you connect DUT so that you do not destroy this accuracy. Even with quite low 100MHz freq. Of course if we just use one spot frequency, case is much more easy, but do we than anymore talk about common oscilloscope. I can tell that full 8bit accuracy over 0-100MHz low frequency band is - more than just difficult. (btw, I have never seen this miracle)If need measure some level more accurate it really need different tools as @nctnico told.

author: pascal_sweden
author_rank: Super Contributor
timestamp: May 10, 2016, 01:34:46 pm
content: Please define "different tools"

author: rf-design
author_rank: Regular Contributor
timestamp: May 10, 2016, 09:13:02 pm
content: Quote from: pascal_sweden on May 09, 2016, 07:42:30 pmInterleaving is not interesting now because at frequencies of of interest most scopes are doing interleave with spur levels many 10dB's worse than a medium class spectrum analyser. Also because of the bad oscillators in scopes the inverse mixing give high close in noise floors. I expect that it would take a decade before scopes frequency performance get closer to an analyzer.Quote from: pascal_sweden on May 09, 2016, 07:42:30 pmI give you an example: If I want to measure the power device switch performance going from some hundred volt to some hundred millivolt I see with most scope either the overdrive recovery transient or do not have enough dynamic without overdrive. The switch on tail from the device is sometimes hidden from the scope artifact. The Tek 11A33 excels here because you overdrive in off-condition and could see the tail with very little artifact.

author: testarea
author_rank: Newbie
timestamp: May 12, 2016, 05:51:59 am
content: As far as I know, very few of manufacturers can make 12 bit resolution oscilloscope, I just saw Lecroy advertised it on magazines, but the prices are expensive. If the price is reasonable from OWON 12 bit oscilloscope, that is good choice

author: SW_design
author_rank: Newbie
timestamp: May 12, 2016, 07:33:24 am
content: sounds good, it might be useful to observe small signal, but I wonder1. what is the max record length ?2. 12bits high resolution is realized by hardware or software ?3.And is it expensive

author: rf-loop
author_rank: Super Contributor
timestamp: May 12, 2016, 08:42:55 am
content: Quote from: SW_design on May 12, 2016, 07:33:24 amIf you read even one minute this EEVblog and using search you may find all answers and more.Example this:https://www.eevblog.com/forum/testgear/new-owon-xds-oscilloscopes/msg770683/#msg770683Shortly1. 40M2. Hardware.3.http://www.saelig.com/product/xds3102a.htm

author: pxl
author_rank: Regular Contributor
timestamp: May 12, 2016, 01:06:39 pm
content: Quote from: rf-loop on May 12, 2016, 08:42:55 amI still not understand this product all: what is the 40 M for, if there is no search func., no serial decoding. Moreover no stats, no advanced math (except 8192 pts FFT), no nothing. It is basically just able to show a waveform and that's all. (Probably I missed all these in the manual).

author: rf-loop
author_rank: Super Contributor
timestamp: May 12, 2016, 02:50:40 pm
content: Quote from: pxl on May 12, 2016, 01:06:39 pmThere is many reasons for memory.One and important is for keep samplerate high with also slower timebases.With this memory it can keep full 1GSa/s down to 2ms/div for one channel (40M) and full 500MSa/s down to 2ms/div for 2 channels. (20M + 20M). So, it have maximum 40ms waveform with full sample rate.No serial decoding? Of course there is serial triggering standard and (Option) serial decoding. IIC, SPI, UART/RS232 and sub Option for decoding there can add also CAN.40M is not much! And for two channels 20M+20M just barely enough but still "small" memory today.(Of course it do not have as rich decoding as example in ZLG what have CAN, LIN, I2C, SPI, UART, USB, PS/2, DALI, Wiegand, 1-Wire, DS18B20, HDQ, SD_SPI, SD_SD, IrDA, Manchester, Differential Manchester, Miller, DHT11, SHT11 , NEC, RC5, RC6, FlexRay, CAN FD).40ms with full samplerate is some times nice.Here 50Hz square cycle to cycle time jitter measurement. Trigger edge and next edge in same capture and zoomed for resolution to see jitter. (here used infinite persistence) Of course this measurement can do with long trigger delay but here can also see whole cycle and trigger edge is not out from image. (and this can also use for this kind of measurement because clock do not drift everywhere - because this model reference is in 1ppm class unlike many other cheap scopes. (and it is also tested using High-End reference and long time period.)Here one trivial basic example. Do this with small memory so that all is also visible on the screen.(note that 1ppm from 20ms period is 20ns. In image p-p jitter is under 500ps. It is under 25ppb p-p from cycle period and persistence data collected ~ 15min. (Honestly I do not know which one here in this "test" is DUT (siggen or scope))

author: babybaza
author_rank: Newbie
timestamp: May 23, 2016, 07:45:34 am
content: Look nice! Expect more good products from OWON.

author: EEVblog
author_rank: Unknown
timestamp: May 23, 2016, 10:11:58 am
content: Quote from: SW_design on May 12, 2016, 07:33:24 amMODERATOR MESSAGE:The user SW_design is OWON, it's a sockpuppet account.Congratulations OWON, you just got yourself banned from the forum. Sockpuppet accounts are not allowed.EDIT: Geeze, the following accounts are also OWON sockpuppet accounts!babybazatestareabaoblackcoalRoss Wassie

author: Muttley Snickers
author_rank: Unknown
timestamp: May 23, 2016, 10:47:16 am
content: Shifty Buggers.

author: GEuser
author_rank: Frequent Contributor
timestamp: May 23, 2016, 01:10:29 pm
content: What you think about your mate now tautech , that mob has always been dodgy , my condolences .Thanks for the update dave , it's a good thing that you got the Gonads .

author: tautech
author_rank: Super Contributor
timestamp: May 23, 2016, 01:16:25 pm
content: Quote from: GEuser on May 23, 2016, 01:10:29 pmThey're no special mates of mine. (if you mean OWON)Dave acted appropriately.Last I looked he hadn't labeled each as "user banned".

author: GEuser
author_rank: Frequent Contributor
timestamp: May 23, 2016, 01:22:06 pm
content: Quote from: tautech on May 23, 2016, 01:16:25 pmhttp://www.thefreedictionary.com/hobbyist, read that "Carefully" and and then adjust your signature i suggest .Shame on Dave that he does not work fast enough for you too!

author: tautech
author_rank: Super Contributor
timestamp: May 23, 2016, 01:36:50 pm
content: Quote from: GEuser on May 23, 2016, 01:22:06 pmNa.....old, blind and stupid.PM me the link.

author: nctnico
author_rank: Super Contributor
timestamp: May 23, 2016, 01:54:16 pm
content: Quote from: GEuser on May 23, 2016, 01:22:06 pmOMG!

author: CustomEngineerer
author_rank: Frequent Contributor
timestamp: May 24, 2016, 05:42:38 am
content: Its all fun and games until someone gets banned for using sockpuppet accounts. Then its freaking hilarious.After seeing babybaza's comment I was starting to think something looked fishy, then next post, banned.Thanks and nice work Dave!Edit: Typo

author: EEVblog
author_rank: Unknown
timestamp: May 24, 2016, 06:20:01 am
content: Quote from: GEuser on May 23, 2016, 01:10:29 pmI don't know Tautech, and IIRC there have been no complaints against him, and there are no sockpuppet account issues.Do you have a point?

author: ebastler
author_rank: Super Contributor
timestamp: May 24, 2016, 08:12:11 am
content: Quote from: GEuser on May 23, 2016, 01:10:29 pmQuote from: GEuser on May 23, 2016, 01:22:06 pmGEuser -- what are you getting at here? I don't see how being a Siglent distributor makes tautech a "mate" of Owon; and I don't see why it should be a contradiction to be an electronics hobbyist and be a Siglent distributor at the same time. I have read many balanced and well-informed posts from tautech on this forum -- plus the occasional post which stresses the benefits of Siglent gear, which is perfectly fine with me given that tautech discloses his affiliation in his signature.GEuser, I think a clarification or an apology is in order here.

author: GEuser
author_rank: Frequent Contributor
timestamp: May 24, 2016, 01:05:16 pm
content: Quote from: tautech on May 23, 2016, 01:36:50 pmI'm glad at least you do understand what i mean going by that response .

author: GEuser
author_rank: Frequent Contributor
timestamp: May 24, 2016, 01:11:16 pm
content: Quote from: EEVblog on May 24, 2016, 06:20:01 amYes , 2 hobbyist category's in signatures that's all Dave , no suggestion at all of sockpuppet account issues from this end , maybe i'm just off topic in the wrong thread?.As soon as Business and sales and money comes into play a designation of hobby has far left the scene imo ...

author: tautech
author_rank: Super Contributor
timestamp: May 24, 2016, 08:58:02 pm
content: Quote from: GEuser on May 24, 2016, 01:11:16 pmYour opinion by definition seems a little screwed up.You imply that business owners can't have hobbies......really.Tell that to the millions of business owners that undertake various pursuits and for the well healed ....several.I consider myself very lucky that one of my interests has given me the opportunity to also pursue a commercial activity, albeit in a small market.To address another comment you've made .....again by implication and presumption:QuoteSo there is NO misunderstanding, at this point in time I have NO commercial allegiances with OWON.I did however welcome them to this forum.....as ahobbyist, and as with all manufacturers there are new developments continually surfacing that we will all can benefit from. Why wouldn't we want those shared here? That more members didn't also offer them good wishes is unfortunate as I imagine joining a forum as a manufacturer is a daunting move.Business in China is tough ATM but for OWON to abuse their membership with multiple accounts in order to attempt to drum up business ......well we all know Dave's reaction.Should any manufacturer member be warned at joining?I mean because of the different cultures involved and what they might consider as "normal business" will get them banned here.Others will have a different opinion but I'm disappointed at the loss of OWON or any manufacturer for that matter......we all lose.

author: tautech
author_rank: Super Contributor
timestamp: May 25, 2016, 12:23:12 am
content: I wonder if in the TE locked sticky:https://www.eevblog.com/forum/testgear/newbies-please-read-before-posting/there should be inclusion of at least some of the rules from those listed in General Chat:https://www.eevblog.com/forum/chat/forum-rules-please-read/These in particular:8. No duplicate or "sock puppet" accounts will be tolerated.9. No accounts impersonating other people will be allowed.Then hopefully all can play by the rules and there not be further bans.EDITReported to moderators for their consideration ^^^

author: ez24
author_rank: Super Contributor
timestamp: May 25, 2016, 12:24:59 am
content: Quote from: tautech on May 24, 2016, 08:58:02 pmI agree with the loss

author: EEVblog
author_rank: Unknown
timestamp: May 25, 2016, 01:05:58 am
content: Quote from: GEuser on May 24, 2016, 01:11:16 pmErr, you can be a business owner and still be a hobbyist.

author: EEVblog
author_rank: Unknown
timestamp: May 25, 2016, 01:10:18 am
content: Quote from: tautech on May 24, 2016, 08:58:02 pmMe too, but creating fake account to talk up your products cannot be tolerated, there must be consequences.Siglent did the same thing and were also banned, and they worked their way back into the good books.Owon are welcome to try and do the same. So far haven't heard a peep out of them.

author: Simon
author_rank: Unknown
timestamp: May 25, 2016, 05:45:07 am
content: Quote from: EEVblog on May 25, 2016, 01:10:18 amhe, could that include replacing the shit oscilloscope of theirs I bought where the power supply blew up after what would have only been hours of useand the aliasing on it is awful. I'll never buy another owon product again.As for the rules tautech mentions these are common sense and had to be spelled out somewhere in the name of fairness.

author: mathsquid
author_rank: Frequent Contributor
timestamp: May 25, 2016, 03:51:00 pm
content: Quote from: EEVblog on May 23, 2016, 10:11:58 amI'm curious about how one detects sockpuppets. My first thought is by checking IP addresses used by suspicious posters, but that seems like anyone with any sense would use a proxy or whatever to change IPs between accounts. Or is it just obviously a sockpuppet when a new account makes a suspicious-looking post?

author: Simon
author_rank: Unknown
timestamp: May 25, 2016, 04:28:28 pm
content: Quote from: mathsquid on May 25, 2016, 03:51:00 pmyou go with you nose

author: EEVblog
author_rank: Unknown
timestamp: May 30, 2016, 05:11:40 am
content: Quote from: mathsquid on May 25, 2016, 03:51:00 pmAs Simon said, you go with your nose.I noticed new accounts were suspiciously praising OWON in this thread, and SMF has powerful features to search for sockpuppets via IP, so I had them and several other accounts detected within seconds and a few clicks.

author: Fungus
author_rank: Super Contributor
timestamp: May 30, 2016, 07:24:02 am
content: Quote from: mathsquid on May 25, 2016, 03:51:00 pmIf they had any sense they wouldn't be creating sockpuppet accounts.

author: Simon
author_rank: Unknown
timestamp: May 30, 2016, 10:33:48 am
content: Quote from: Fungus on May 30, 2016, 07:24:02 amIf they had any sense they would get the basics right and put a decent power supply board in a £500 200MHz scope so that I don't end up with a pile of scrap after only a few hours of use. I'll never tough OWON again, they are just a bunch of low lifes. Good equipment gets you a good reputation and no need for underhand tactics to promote their garbadge!

author: Simon
author_rank: Unknown
timestamp: May 30, 2016, 10:45:14 am
content: Quote from: blueskull on May 30, 2016, 10:40:41 amyou must be a lucky one as i beleive mine was of the same line but the 200MHz version. It also has terrible aliasing, I only keep it because I have no choice in that it is worthless now that is is powered off an old mains brick supply and at least it's sort of 200MHz so might come in handy when my rigols 100MHz is not enough.

author: Simon
author_rank: Unknown
timestamp: May 30, 2016, 10:58:48 am
content: Well it's not an everyday scope if the power supply board blows up after about 40 hours use. It's not a rare use machine because it can do 200MHz so say I was doing some FM trasmitter or something it might be useful.

author: rf-loop
author_rank: Super Contributor
timestamp: May 30, 2016, 01:11:18 pm
content: Quote from: Simon on May 30, 2016, 10:58:48 amI have seen Agilent what blow up after 15 minutes.I have seen HP what have lasted least 50000 hour and more, I have one Tektronics, hours counter is far over 60000 hour and not any kind of problem never. I have Owon what have been randomly and frequently years in use and also one experiment over 4000 hours continuously (exept one short break in power distribution) perhaps total now least over 6-7000h.I know many Agilent spectrum what have been in use least over 40000 hours in industry product test lines - and in really hard use. But still some individual new units may fails very fast.I have sold previously 3 digit number of Owon SDS7102 scopes and there have been 2 failure what I know. And fails have been guite soon after sold. After warranty repaired also these no failures.I wonder why your scope was not immediately repaired just as normal failure what for there is factory warranty. And more, even after warranty time also repairable, just purchase spare part from Owon. Just as with all other brand equipments. But of course negative advertisements support this forum media business.Reliability can not classifify at all with one single individual case. Yoy have one individual single unit. I have statistics from group of units and over years time span.All can fail and Owon is not any kind exeption there. Do they fail more frequently than some others. I do not know but what experience I have personally this I can say. I have not seen they are more or less reliable than others if I do not count experience with Hantek. These I stop because Finland is small country and I want walk here on the street without shame what I have sold.So I really wonder why your unit is not warranty time repaired.

author: Simon
author_rank: Unknown
timestamp: May 30, 2016, 02:52:09 pm
content: I haven't a clue what you are on about. I bought it off ebay from china so likely no warranty and i needed it that night to work on a customers project so had to void warranty and jury rig it in an hour so that I could continue with my business.

author: ez24
author_rank: Super Contributor
timestamp: May 30, 2016, 06:31:38 pm
content: Quote from: Simon on May 30, 2016, 02:52:09 pmChinese warranty - you pack it, pay for shipping to them, pay them to fix it, pay return shipping. This was my experience with a Chinese warranty. Moral of the story - do not buy new test equipment off of Amazon or Ebay that ships from China. If you want a warranty - buy in the country you live in.

author: Simon
author_rank: Unknown
timestamp: May 30, 2016, 06:35:18 pm
content: correct

author: Gyro
author_rank: Super Contributor
timestamp: May 30, 2016, 06:39:45 pm
content: That power supply story is gettingreallyold. Blueskull's scope, like mine, is a USB one, it doesn't have a mains power supply.

author: Simon
author_rank: Unknown
timestamp: May 30, 2016, 06:56:23 pm
content: Quote from: Gyro on May 30, 2016, 06:39:45 pm£500 burns you for a long time....... I don't care how old it is, it will forever forge my opiniion of owon, either they are too fucking stupid to get evn a basic power supply right or they pear everything down to such a thin bone it's a big risk buying their kit. Their actions on this board speak volumes too. Bunch of amateurs, would never trust them.

author: nctnico
author_rank: Super Contributor
timestamp: May 30, 2016, 07:06:20 pm
content: Quote from: Simon on May 30, 2016, 06:56:23 pmPerhaps but you didn't even try to send it in for a repair!

author: Simon
author_rank: Unknown
timestamp: May 30, 2016, 07:07:41 pm
content: Quote from: nctnico on May 30, 2016, 07:06:20 pmNo because as I said I had to fix it there and then which voided warranty plus I did not have the details of the seller to hand assuming they were still trading. As someone else said, never buy from china.

author: Gyro
author_rank: Super Contributor
timestamp: May 30, 2016, 07:13:36 pm
content: Quote from: Simon on May 30, 2016, 06:56:23 pmSigh. There you go again.Just becauseyouhad an infant mortality failure ononescope is no reason to trash an entire product line. You're a mod and peoplemightbe more likely to take your word as gospel (not me, as you've probably gathered). So you spent £500 on ebay, your choice, your risk.Pleasestop crying about it, it's embarrassing.What we need is competition, someone's got to keep Rigol on their toes, it doesn't look like it's going to be Hantek, no idea about Siglent. If there's no competition then the market (and prices) will stagnate.I'm no Owon apologist or sock puppet, what they did was F**** stupid and has set their cause back a long way. However one power supply failure isn't sufficient cause to expect the whole community to write off an entire product line.

author: nctnico
author_rank: Super Contributor
timestamp: May 30, 2016, 07:14:35 pm
content: Quote from: Simon on May 30, 2016, 07:07:41 pmIMHO your conclusion is totally twisted!You needed it fixed quickly but if you would have send it to a local dealer it would probably have taken at least a week to get it fixed or a replacement. So buying from a local dealer or directly from China would not have made any difference in your specific case. The moral of your story should be: if you have to rely on your equipment make sure you have a spare unit on hand.

author: Simon
author_rank: Unknown
timestamp: May 30, 2016, 07:17:37 pm
content: yes and now I have a spare. I have had two rigols so far and both had no problems. Owon is a lower quality machine, I'm sure we can at least agree on that. The aliasing is also terrible, the sort of thing you get on a velman hand held thing for 100 bucks not a £500 machine. I bought mine a year after Dave reveiwed it (so was warned) and that should have been long enough to sort their shit out.

author: Gyro
author_rank: Super Contributor
timestamp: May 30, 2016, 07:27:59 pm
content: Simon, I apologise. Some of the phrasing of my previous post was unnecessary, I don't know why, but your posts seem to bring out the worst in me, I never have a problem normally.The core message of my post still stands however.

author: Simon
author_rank: Unknown
timestamp: May 30, 2016, 07:33:04 pm
content: Oh I never take offence.They spent extra on a bigger screen when they could have put some of that money into a more robust power supply. the whole complicatd scope is fine but for the power supply the simplest bit, as well the PC software was always crap and there have been no updates. I am afraid that owon are a hit and run anufacturer. They don't seem to care about their products after the sale, as long as they get sold. But it is true that you get what you pay for and I was aware that it was a gamble in order to get my 200MHz on the cheap.

author: nctnico
author_rank: Super Contributor
timestamp: May 30, 2016, 07:39:54 pm
content: Quote from: Simon on May 30, 2016, 07:17:37 pmIn sample mode you'll get aliasing on every digital oscilloscope or are the anti-aliasing filters on the Owon inadequate?

author: Gyro
author_rank: Super Contributor
timestamp: May 30, 2016, 07:49:57 pm
content: Quote from: Simon on May 30, 2016, 07:33:04 pmThat's lucky then.However you're still falling into the trap of gross generalisations. You haven't referenced a particular model or number of samples tested. Your PSU failure may well have been a one-off (rf-loop's figures would tend to support that). Whichever model you had a problem with, it isn't rational to extrapolate that to an entire range of products. I have a USB model, even though its sample rate is low I've had zero problems with aliasing when used appropriately, the PC software is fine, I found a bug, reported it, they fixed it, sent me a test copy to verify and then rolled out a formal update...and they have released further updates since.You've had a bad experience, I've had a good experience. It makes no sense for either of us to extrapolate that to every model in a manufacturer's output (I'm sure the odd one is probably cr*p). Each model, from whichever manufacturer needs to be researched before proceeding with a purchase.

author: Simon
author_rank: Unknown
timestamp: May 30, 2016, 07:50:57 pm
content: Quote from: nctnico on May 30, 2016, 07:39:54 pminadequate ? probably non existent. I don't know if they are hardware or software but that will have saved some money either way

author: Simon
author_rank: Unknown
timestamp: May 30, 2016, 07:52:54 pm
content: Quote from: Gyro on May 30, 2016, 07:49:57 pmthat is also true, but they had plenty of opportunity to fix the problems, I did not exactly buy it the day it came out. I asked about firmware upgrades and they said no.

author: Gyro
author_rank: Super Contributor
timestamp: May 30, 2016, 07:56:50 pm
content: Your mileage may vary. Again you had a problem with a specific model.Edit: They were quite efficient in fixing the S/W for my model.

author: nctnico
author_rank: Super Contributor
timestamp: May 30, 2016, 08:28:25 pm
content: Quote from: Simon on May 30, 2016, 07:50:57 pmAnti-aliasing filters are always in hardware but if you are using a DSO in sample mode and use a low enough samplerate you will get aliasing. This is true for every DSO whether you spend an amount of money expressed in 3, 4, 5 or even more digits on it. You cannot change the laws of physics. Things get hairy if the peak-detect mode on a scope isn't working properly because then you are always stuck with aliasing problems.

author: tautech
author_rank: Super Contributor
timestamp: May 30, 2016, 09:01:46 pm
content: Quote from: Simon on May 30, 2016, 07:33:04 pmWell I hope you learnt your lesson by not having the support of a local dealer.Many make that mistake, but for you to go on and on.......well if you had local support and it was fixed promptly you'd have little to say but share your experience with us.You gambled and you lost.Dealer have names for those like you.