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Test Equipment Anonymous (TEA) group therapy thread

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GerryBags:

--- Quote from: Mr. Scram on June 01, 2018, 01:55:11 am ---This discussion got me wondering. Are CROs still common on benches in proper enterprise or industry settings? Not because they neglected to break, but because their owners intentionally chose them over a DSO? Can you still buy CROs in meaningful numbers and with relevant specifications? How many does Keysight sell each year?

--- End quote ---

You certainly see many analog 'scopes advertised as: "pulled from a working environment..". They don't often say how many decades it's been since it was pulled, but I can easily imagine small companies or start-ups that simply can't afford as many of the top-end, modern machines as they need and, as you all have so eloquently described, the old stuff can still cover many jobs that then the modern gear doesn't have to be used for, freeing it up.

Sorry for the run-on sentences, I couldn't see where to put a 'period'.  :)

Brumby:
I can't say from observation of actual workshops - but I can offer a thought from the bean counter perspective...

If a $100 CRO can do the job capably, you are a lot less likely to get a $1,000 from the budget for a DSO.

mnementh:

--- Quote from: Mr. Scram on June 01, 2018, 01:55:11 am ---This discussion got me wondering. Are CROs still common on benches in proper enterprise or industry settings? Not because they neglected to break, but because their owners intentionally chose them over a DSO? Can you still buy CROs in meaningful numbers and with relevant specifications? How many does Keysight sell each year?

--- End quote ---


Good question...

A quick search shows that TEquipment and Arrow both still sell Analog scopes; mostly B&K school-grade gear, though Arrow does have a couple TFT-screen analog models by LeCroy.

I can tell you that our local hackspace has both analog & digital scopes, and the EEs who work and produce commercial product from the space both keep a couple analog scopes apiece on carts in their arsenals, outside the motley collection in the public spaces. But both of them are old-timers like myself, so they're probably not a good representation, even though they are technically still professional EEs.

Of course there are cheap DSOs all over the place; they swarm like mosquitoes in a place like that. ;) And at least half of them still work.  :P  We have a couple Adafruit wannabes doing their thing there too.  :-+


Tautech, I skimmed over Defpom's video on your 1202X-E; I like it overall.

While it does appear quite responsive, I don't see a lot of difference in the usability of the UI vs my 1054Z. I really only notice responsiveness issues on mine when I'm working with multiple signals and decoding; for the usual daily driver stuff, it's pretty much right there with me. For folks who need the extra BW, your 1202X-E is clearly a better choice in this price range; but I think part of what makes it more responsive is it only has to contend with 2 channels and 10K less memory depth. For most of what I need a DSO for, 4 channels is a minimum and I sometimes still wind up dragging out the Salae clone and my tablet.

So it's nice to have a choice in the bottom bracket, depending on what your primary needs are.


Cheers,


mnem
*Toddles off to ded*

tautech:

--- Quote from: mnementh on June 01, 2018, 03:58:19 am ---Tautech, I skimmed over Defpom's video on your 1202X-E; I like it overall.

While it does appear quite responsive, I don't see a lot of difference in the usability of the UI vs my 1054Z. I really only notice responsiveness issues on mine when I'm working with multiple signals and decoding; for the usual daily driver stuff, it's pretty much right there with me. For folks who need the extra BW, your 1202X-E is clearly a better choice in this price range; but I think part of what makes it more responsive is it only has to contend with 2 channels and 10K less memory depth. For most of what I need a DSO for, 4 channels is a minimum and I sometimes still wind up dragging out the Salae and my tablet.

So it's nice to have a choice in the bottom bracket, depending on what your primary needs are.


Cheers,


mnem
*Toddles off to ded*

--- End quote ---
We thought the 1202X-E was pretty neat when it came out in April last year and as an entry level unit it was a big step forward on what Siglent had produced in this class before. However the new 4ch X-E's blow them out of the water in terms of capability by virtue really only of much more added functionality. Some of this is stuff many might not need but it's there should you do so these new 4ch  X-E's are a DSO that you can really grow into.

But back to the 1202X-E for a mo....Dave got sent one of the very first and it was a 1102X-E and Dave being Dave when he had it apart for the compulsory teardown decided it would be good form to eyeball the JTAG at boot where he logged it all for all to see and guess what, it was pretty simple to see it was of a series that was BW limited in the boot code.  :)
Siglent took one look at Dave's vid and then only released the top of the range 200 MHz model.  :-DD
The vid is #985 if you want to take a look.

So with another 8mths of development they released the 1004X-E models and that's where the 1054Z becomes seriously challenged, two 1GSa/s ADC's with 14M mem for each plus that same fast processor and the additional functionality over the 2ch models. Again, a sharp responsive DSO.

Anyways, enough of the sales pitch, you can hunt out any further info if you're interested.
Nighty night mnem.

beanflying:
I managed for over 20 years post Uni without a scope of any sort apart from an occasional drop around to 'borrow' a little time on one. About 3 years ago brought a piece of Hantek USB CRUD which was better than nothing but in hind sight I should have sought out a clunky 20Mhz Analogue of some sort which would have been as accurate and not crashed every other minute  :horse:.

Now owning a Migsig 100Mhz Toy would I go back to using an Analogue one day to day - unlikely. I did buy a fixer upper Philips 20Mhz as a play thing and to hack together a curve tracer circuit to dedicate to it at some stage but not for everyday use and I cant see me ever putting money at a high end Analogue ever.

As to day to day use mine is more like weekly or even every other week  :o I blame the lack of more frequent use to not having owned one for a very large part of my post Uni life and I am used to getting by without one still.

Todays Project just for fun putting the smoke back into my Dad's old Growler so I can use it as a degausser (100W anyone want any data erased?  >:D ) Smoke reinstalled into the new switch 40 year old failed masking tape removed and nail polish added to the partially unwound and rewound coil where it arced out. No CRO was needed in this repair  :-DD

Beer Time  :popcorn:

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