Hi welcome to Tear Down! Tuesday Today we're gonna take a look at this lovely mixing. MS 310 IT Hundred megahertz one gig sample per second handheld mode II Functional multifunctional instead of multifunction multifunctional. Okay, multifunctional oscilloscope. and if you don't know about mixing there and up and come in Chinese Manufacturer but they're trying to shoot for the high-end stuff and this is, you know, a reasonably high-end handheld scope.

There's a five thousand dollar model of this. This one's about fourteen hundred dollars street price, which is that really good value for supposedly really, it feels like a brick. Danny It is built really solid, feels like a quality bit of kit, and they're trying to compete against the Edge' lence. So the higher-end model and this is upwards like four four thousand dollars or something at us, which is pretty much on par with sort of you know, the Agilent and flute prices.

And of course the selling point of handheld scopes like this is this one is fully isolated between both channels. so these B&C s are not electrically connected. We can put a multimeter on there and prove it, and also the multimeter input as well. Also electrically isolated from both the channels.

so they're all three independent channels. at the BNC 300 volts Cat three rated which is pretty darn good, and at 600 volt Cat 3 rated on the multimeter inputs and they're all isolated. and let's prove it. So let's probe that and we'll show you that they're genuinely isolated.

Look at that. No worries whatsoever. That's what you need a handheld scope isolation and of course to make them safe. you also need the proper isolated probes as well.

So they've got the full plastic shroud surrounding the BNC so when you plug it in, you can't accidentally touch that B&C And also for the oscilloscope probe here itself, it's got this retractable clip here. so for the high frequency probe attachment here, so you can't accidentally touch any of that, so it's all fully isolated. Fantastic! These are quite reasonable. 100 megahertz bandwidth rated probes actually manufactured by multi contact.

There you go. Ul listed as well. Fantastic. So no Walker's there at all.

and there's a specs for those playing a longer time. Oh Where's the English ones? There we go. sixteen path the input capacitance compensation range Oh standard 200 G Rho to 250 megahertz. It says 100 megahertz on the probe so that's strange.

Not sure what's going on there. And for those who have been wondering, where's David - there he is over there. Many people have asked to see him there. he is.

So yes I have to do a separate review of this and yes any. I've been using it a bit and yes it is a very nice handheld scope. So if in your market free our quality isolated scope, it's worth a look. Now let's have a look at the thing.

One thing I don't like about the tilting bail on the back is usually like they put in like a little cutout there to get your finger under. But ah, it's like you know they've just got these little finger holes on the side to flip out the tilting bail and you know it's a quite a decent wide tilting bail. I Like it, but you just can't get the damn thing up I hate it when you can't get you stand up. So anyway, you know we say you're on the eevblog.

don't turn it on. take it apart without Swiss tools. Well actually I can't do that cuz that's a Philips and they're talks mm-hmm Have a quick look at the battery. Supposed to have a four to five hour operational life.

Haven't actually tested that, but let's get this puppy out of here. And there we go. Mixing branded. Six thousand milliamp hour.

but you could die. You know. repack that your self I'm assuming? well, maybe not. It's yeah, welded shut.

But anyway. well, you can find your battery pack from mixing if it ever dies. But yep, there we go. Got ourselves.

Is that a warranty void? If not remove sticker? Okay, this is annoying. It's two other screws in here and right angle. Okay, well that's weird. These are different links.

That one came out of there and that one came out of there and the other ones are also a different length. Again, why? and Wow we're in like Flynn right? to the good stuff. Look at that. Oh I'll tear a cyclone three Whoo-hoo All right.

Well this looks very nice. Look at how they've got this and this is the main processor board. By the way, if you hadn't figured it out with the FPGA and a Texas Instruments TMS 320. thank you very much.

Old school Yeah, look at they've got the the grounded veers right around the outside just trying to stop the magic electrons from escaping and mucking up there am I. But very little is going to escape out there. It's just it's killed in the Lilly you know. But anyway, it's nice.

But look at it, you know all ground fears everywhere around here. Anyway, listen my Dc-to-dc converters up here for they're going to be for various rails, but a TMS 320 processor. We've got a our Terrace Cyclone three FPGA I'm not particularly, you know, high-end but good enough to do the job. This has got this model I think has 60,000 waveform updates per second whereas the highest-end one has like a hundred and sixty or something or 200,000 waveform updates per second.

Really quite a fuss scope and we've got ourselves an EP 316 F4 84 sort of like you know, one of the mid-range are type cyclone three-part seeds and we're looking at 15,000 logic elements not a huge one and 512 K bits of internal SRAM So they're clearly not using this as the sample memory because this thing has 240 K per channel I think I'm not sure if it haves or not, but yeah, 240 K So they obviously can't fit it all inside the out hero cyclone so there's going to be some memory next to it. and sure enough, right next to the FPGA. There's two of these puppies are pretty common as mud in these sorts of our scopes is Si 256 K times eighteen bit wide out for Meg bit. Well, you can actually choose different widths for Meg bit SRAM No, its SDRAM Rubbish, No.

SRAM thank you very much. Easy to drive with the FPGA and super-quick and there's two of those. so I'm yeah, this thing's got 240 K a sample memory so they're they could at least double that. They could have about 512 K samples because there's only eight bits per sample actually.

is that the same looks like it is? They've actually got three of these, so I'm assuming that there's one per channel for the sample memory and the other one video memory would be my guess. and there's a good old-fashioned old-school TMS 320 in there for you are 320 fanboys I Know there's a lot out there and there still is relevant today as they were. jeez. When do they first come out Cheese? would it be 30 years TMS 320 days.

A fanboy is a fanboy and this segment is brought to you by Texas Instruments Tell us why you like the TI 320 T Mystery 20 Yeah! so I'm using it in the 3d printer board. It's superb for control stuff. it has like it can do like complex number maps in like it has this like hence its name digital Signal Processor That's their job. It's fantastic for control.

Yeah and it's got what did they call it a control lor accelerator? I think they call it which which which means that you you basically have like this kind of like microcode engine type thing that runs in the background and then you can use DMA like direct memory stuff and transfer between data and it's like you have absolutely no overhead on on the actual processor itself. Yeah yeah, that just runs on the side. Yeah so you can get a DC sampling? Yep, convert all those samples to real numbers and put it into your main program like memory wouldn't like. Just about no overhead, no processor overhead.

Yeah yeah, that's on there for memory. Not all of these 320 parts that have that though. no you have to choose specific one. Yeah, the TMS 320 he's F28 Oh 69 is the one that I'm using at the moment.

it's pretty high-end How many variants? What? They have? Thousand? Yes yeah yeah right either Sixty eight, sixty, something else? 62 Yeah, you're a fanboy. Yeah, all right. 320 for the win. Woo! This one's actually a beast.

Just like Dave said. this is the 6000 series of 67 48 and it's 375 or for 50 megahertz. but it's got like three and a half thousand. MIPS and what? 2700 Meg flops.

so it's a real pumpkin beast. so yeah, they didn't skip there. these things. Hall and ass got some external memory on there too and I thought that puppy was too little cells stack there but it's not.

It's a Super Cup point Three three Ferrets for all you Super Cup Fanboys Well Hello Sailor this is our ADC from Intersil the big eye on there and they'd had 55 10p I hadn't seen this before - 50 this is a 500 Meg's sample per second up parts. obviously to get there been a spec of one gig sample per second. they must be interleaving both channels I Haven't even looked at the spec but I'm sure if you do it'll say that. but this puppy is not 8.

It's not 9. but it's a 10 bit converter. Fan-freaking-tastic Why they got a 10 bit convertor in there? That is brilliant I wonder if they're how they're made, How they're taking advantage of that? Are they actually sampling the full 10 bits? or are they just you know, pissing away 2 bits I Don't know. Well I just checked the specs for this thing and sure enough it says that it's an 8 bit converter.

but these are clearly 10 bit converters in here, so maybe they using them and using them for the extra performance and just tossing away the 2 bits. But though it seems a shame you could do some nice Boxcar averaging with that. but I Don't even think this scope actually has any form of um, you know, high resolution type mode. A real shame.

especially like I Know you can't see it on the screen, but it's good for up math stuff. and also if you want to capture the data and export it, then you know it's fantastic for that too. So not sure what's going on there. Wow They've spared no expense that's for sure.

Oh and by the way, our team is 320 processor also has an LCD driver so it can probably easily drive the 640 by what is it? 640 by 480 LCD screen in this thing. No workers and this is rather interesting. Here's our two: Intersil a DC's here, but we've got one little micro coax coming up here like I thought okay if they're going, you know this top board is the ADC plus the processor board. You know there it is like hooked it right into the the ADC hooked right into the RTR FPGA sampling subsystem there.

but like yeah, I Would have expected two cables to come over, but anyway, we've got some headers here which connect the top and bottom boards, so bottom boards must just be the front end preamp and isolation and that's pretty much it. But interestingly note these little ground strips along here and they're gold-plated those because well Jen well just let the solder mask off. The whole board is gold plated of course and so they're You know, designating that as something special is that the trigger stuff. And if you check out, they've got some slots here as well.

It's almost as if that was designed to have a metal can over it and they haven't populated it. Yeah, I'm pretty sure that's what they intended there. but no, they haven't done it. And here's something you don't see every day.

There's an 805 One process, a flush based art presumably that's what the F stands for I Haven't looked up the datasheet, but that is right next to this ribbon cable which goes off. That would be the front panel keyboard controller would be my guess and they've implemented that in their own little microbe. Okay, nothing wrong with that, so that's actually really smart. You know it spared no expense killed of the Willie there they went.

Oh well, we don't want to have to do that in our TMS sorry 20 process. We don't want the extra little oh, the head of handling and scan in the keyboard. Back of that, let's just separate that out into a micro and then this little 8:05 one micro can then interrupt the TMS 320 process. So when you actually press the key and want to actually do something so there's more grunt there to update your screen and that puppy there it presumably like sort of, you know one side as I presume Li the output side of this thing that's an analogue devices 48:57 or ATA 4857 and that's an 800 Meg bandwidth voltage feedback of him and the rest of the stuff in here is just all jellybeans.

you know, four or five twos and nothing nothing special. nothing much doing in there at all. 405 1 MUX hmm and no surprises for finding this right here. This is the Texas Instruments CDC m61 double o to VCO designed to take our little oscillator there there it is.

Not sure who's making that one, but that is it. 10 megahertz reference can't read no twenty six Megahertz there you go. and that Jenna that's actually got two clock outputs which can drive the two ADC Is there no workers? Nice part. That one you know how is confused with only one micro coax coming up here I actually found the other one.

It's over here wedged in between these DC to DC converters here. So what that's got be be on there. Don't know if it's bird brown on. Oh, it doesn't look like the original beurre Brown type.

Simple it is. It's a bear brown part here Dave's not in David sorry DAC 76 1 4 that's a quad bolted output 12 bit DAC so they be using those for all the offset stuff. Well really impress with this puppy so far. really gilding the lily on here.

Let's pop this top ADC and processor board off a couple of flat flexes here. This would be going down to the LCD as I said this one over here. going to the touch the keypad membrane on the front so four screws looks like and get rid of those micro axes. they'll go out through the little holes in the board, she'll just pop off and we'll have our three isolated channels.

Let's have exquisite those. So we've got our board. the board headers. They're only like point one inch.

They're not like high frequency headers of course. So I believe that's why our two got our two Co axes. Surely that would be our two channels. You know, two analog channels.

Tada, we're in, but you know, I I Guess they had to. They probably you know they had to have it coming off because here it is over here here. You know, Channels one channels over here, one channels over here. So they had to put it in over here.

but it's you know. it's smack right in the middle of the DC to DC converters. You know if I was the layout guy for this board and you know and the designer came across and said we want this you know, analog coax connector right there smack in the middle of the DC to DC converters. I'd be good.

hmm can't do the head, can't do that all. I'm gonna need extra layers on my board to run it through an internal channel so it's a you know, avoids any switching noise and stuff like that. But I'm sure they've done their homework on that. You know it's not insurmountable, it's just.

you know, not ideally done. That's all. Yeah, what those wondering about the back of the board? Yes, it is double sided, low, but not much doing. They're just all you're reckless that bypass caps for the BGA.

There's no real avoiding that when you've got a BGA FPGA Like that you can't just wacky caps around the outside. You don't get the performance. Your loop areas are terrible, which diminishes the effectiveness of your bypass capacitors. So yep, they've got to go right on the pins right in the bottom.

so you know that's the penalty you pay when you go for a BGA FPGA Like that you're instantly whacked for the extra cost of a double sided load. This is all rather very nice. Our little plate here comes off with our USB here and we've got a rotary encoder wheel that just pops out. They've greased that up.

Got a grease your wheels we can two screws on here. We should be able to lift this whole board out. but yeah, we've got ourselves a shielding plate. some relays sticking out.

oh no, they know they're not realized. I Think they're right. DC the DC isolator blocks perhaps. So there we go.

that's just gonna pop out of there like that. No workers. We've got a couple of spacers which came out, but we're in like Flynn Okay, this is kind of a what The Look at this. There's an unsorted pin there and it's actually still inside the socket there.

it's actually pulled through. So I don't know what the deal is there. So apart from that bizarre pin sticking out, I'm thoroughly impressed at every turn of the design of this thing. Here we go.

Very nice look at our isolation slots in here between our channels. no worries whatsoever. So that's our analog section. These are our wah sorry, our multimeter section and our two scope front ends.

Once again, it looks like they might. you know they've done well the shielded can on the top, so they're You know, they're completely shield in that they've got the individual stitched vias down there, so you know they're forming one complete ring and sort of can around that thing and we'll lock the can off in a second. But yeah, it's really well laid out. We've got our isolation between our ground, our processor ground side, and our multimeter input ground side.

No problems at all. And as I guessed those black bricks there. Haven't looked at the part numbers, but there are our DC to DC converters. Typical single, inline five pin arrangement here with the isolation slot down in there.

you can see so they're actually isolating the primary, so that'll be, you know. Plus minus 5 volts in and sorry, 5 volts in from the digital side and probably plus minus 5 volts out to power all of the analog section fully isolated. and they've done their isolation slots right. And yep, I should have just looked, but I was right IH O 505 that indicates it's an O 5 if that's 5 volts in and 5 volts out.

but because they've got the 3 pins on the output, that'd be a plus. Minus 5 volts and it's succeed. Brand is it? Love it to Watts and check out that Smock T2 transformer, but that looks like it's a common mode show to me. There is a matching one up here, but it's got the top on it so I'm not sure why the stoppers falling off that one down there I did.

There's nothing rattling around in the case, so I don't know. must have been that way before they put it in, huh? Anyway, their common mode choking the input between our two. the isolated DC to DC converter here so that the crap doesn't it from the digital doesn't make its way because these things aren't magic. these are switching nut converters and they're really once again gilding the lily there.

I Don't think I've ever seen somebody put a common mode choke on the input to that and I was busy talking them up. What do you know? I got a genuine budge resistor there and they've also got another one around here. Where is it? There we go. They've budged a little cap between those two pins.

Oh what a shame. and those puppies would be our opto-isolator z-- because the ground split is right on the other side directly under those. So they've got those on the top side to isolate the data because there's two things you need for a isolated scope Like this one is the isolated power isolated DC to DC converter and also the isolated data as well. So we've got ourselves our data Isolators Here we'll get ourselves our isolated power, but and some more, our data isolation here for our oscilloscope channel.

But how do we get that signal across? Well, you can tell by the physical arrangement here. Here's our wire coax going out to the main board. so that's a signal out. Here's our signal in what do you think that does? It's an adds an analogue isolator to get the 100.

It's analog signal that's the highest bandwidth for this thing across. So that's fully isolated because you can't because our digitizer is on this side. Our ADC is over here. on this on the non isolated side.

Unfortunately, that can is soldered in and I've popped one side of this metal can here and look at that. The cheeky buggers have rubbed the part number off and then there's silastic gunk down either side. What? That's a secret sauce? I Don't want people knowing how they do their isolation there. anyone want to guess? And then on the bottom here there is the isolation gap in the ground.

You can see it right there. And then they went. Well, will we or won't we capacitively a couple across the isolation? Yeah. But up here it looks like they've done it.

And we've got the cans off both. our oscilloscope channel I won't bother doing the second channel because it'll be absolutely identical, and then our multimeter. Let's take a closer look at the body meter. First, here's our multimeter input.

that's some. Got some diode protection over there perhaps? and we've got ourselves a mouse. There was nothing on the bottom side. here.

they've got some isolation slots. Curiously, we got ourselves a 20 megahertz oscillator there, but what that's used for? is it that device? Then we'll have to have a look what that puppy is, but it's pretty minimal setup. Anyway, we've got like a non traditional multimeter type import. doesn't have your traditional multimeter chipset, that's for sure.

and that's what our oscillator is for. That's a Silicon Labs F 330. That's actually an 805 one. Once again, they're 805 One fanboys at mixing and that one's got a year built-in 10-bit ADC So that's probably what they're using for the multimeter there.

Apart from that, everything you know once again, you see some 405 ones. We've got an LM 733 - just an Op-amp 405 - he's got some more maxing happening there and not much. not much really doing around this. Pretty boring that there is.

interesting Q 24 it's actually I'm by the designator Q It's a transistor and that's an inch M that's a 60 amp in channel MOSFET So they're doing some switching or sums forward protection. I've got two of those puppies in there. so what's the go there? Let's have a look at our Sillas Cope input. I've got a couple of little trimmer caps down there.

There we go. Just you tweak the front end performance. They're really switching. Looks like pretty typical kind of front end.

and there's our is about being see what's what's hanging off the end there. Why have they heat shrunk that? Hmm, what another 805 one? Are you kidding me? Inside the oscilloscope front end, they're obviously doing that like serial decoding. Hey, what's that in there Is that? Hey, that's no good. A little bit of soda dag there.

Where to go there? it is. Little bit of soda day. Don't know if I like that. Where did that come from? I Oh Must it might be one of the front panels solar connections or something.

Hmm yeah, they're a bit. Yeah, yeah, they don't look the best. So there's our in serial programming header for it. So what they're doing is using these remote processes on the other side of the serial interface because they've got to come across the serial interface here, right? So you've only got limited data lines like you know, transmit and receive.

That's basically it. And then this is you know you've got to have some sort of active our processor to decode that. So I guess there's no surprise for finding a micro on there and that's got H 1f, 9, 4, 3 on it. I originate ID Breanne, but if you look up, he died 943.

What is it? Dave Microwave power amplifier. Up to what 30 giggles something? It's for satellites. Oh yeah. I Don't think we're right into rocket science here today, so it must be something else.

So yeah, if you want to find that one, go for your life. Another obscure part HVB Hash. oh Five One. whatever.

that is some sort of output driver for the for the transformer. Perhaps for the isolation transformer you can see it, a signal bugger and off over there under to the can. But yeah, I don't know. Anyway, I'll post some high-res photos of all these are sections and you can have a play along at home for the datasheet.

So that is the front-end board. and well, that's quite impressive. There's a few potential quality control production issues there, but geez, now that's it's you know That aside, it's a very impressive bit of work. y-you know they really aren't cutting corners and they're doing everything properly.

and I have no doubt it meets all it's rated, specs and everything else. This is a real high-performance unit. It's not built down to a price and well you pay for it. These things are.

you know, these are not cheap. Handheld scopes. Mixing don't make cheap instruments. Don't put it back together.

Got all the ribbon cables and forgot the bloody encoder wheel didn't I I got the wheel back in I Forgot the bloody isolation pad. Unbelievable. I'm an idiot. forgot the bloody plate.

Oh I'm going home I should have gone home. forgot to put the bloody strap thing in. hold her in. Oh this is not my day.

so let's say she works. Tada Mixing handheld multifunctional oscilloscope. Hilarious. There we go and no worries.

It's a quiet. Actually, it's quite a responsive scope. I Got no. I've hold it up here if I hold it an angle I Get reflections off the lights and everything else.

It's no good. It's actually quite a reasonably responsive at scope. Like the fast waveform update rate I Really like it and it goes from 5 millivolts per division up to never look down there tonight. here.

the relays click. look at that. 50 volts per division Ripper because that's one of the uses for handheld scopes. See you know, used out in the field traditionally in sort of more sort of you know, industrial, higher power.

You know, higher voltage art type environments. So at the BNC to have 50 volts per division, that's very nice. So yeah, I Really like the performance of this is speedy, responsive and everything car works a treat. But one thing I do miss is an intensity greater display.

But because it's a handheld scope, you know, not in everyday use scope then and that's alright so you know, No worries at all. But yeah, it just would have been a nice touch. And for those who haven't seen it, we can go into meter mode as well. just whack the button.

Nice big bright display, lots of functionality. it's all touchscreen of course and there's capacitance 10 and a 10 puff, resolution and continuity buzzer I can check that out. it's a bit on the slow side okay ish, but yeah, not the fastest. and it's performance.

There's nothing fancy I mean we're only talking. You know five thousand accounts so you know it's got your basic function only. It's good. If you're out in the field, you're you know I shouldn't have to take a separate meter.

So anyway, I hope you enjoyed the teardown of that mixing. Ms3 10i T1 gig sample were per second on single channel only hundred megahertz bandwidth, fully isolated scope and I'm really quite impressed. See, really know what they're doing. You know design? Really? first-rate A few little production issues.

you know, small production issues as I said which they'll get better, but you know they're basically new in the game mixing and they're trying to compete at the high end. So you know if you're in the market for a decent quality handheld scope, well we'll look this puppy. And as always, I've got high res tear down photos over on Eevblog cotton comm and if you want to discuss it, leave YouTube comments or there was always a link down below to the forum thread which is all lively. That's the place to do it as always.

if you liked it, please give it a big thumbs up. Catch you next time you.