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TDS 3054 Replacement
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TaylorD93:
Hi Everyone,

Currently I have a Tek TDS3054B scope on my bench, but I'd like something with a bigger screen. Other than that my TDS3054 is overkill for my needs really.

I rarely use all 4 channels, 2 will probably do, but I have been toying with the idea of buying a new Siglent SDS2104X plus, then hacking it go 500MHz BW (if that is still possible)

Granted I don't need the full 500MHz BW but it's nice to have access too.

I'm curious to hear the general concensus if I'm better sticking with the older Tek scope or perhaps replace it with the newer Siglent.

Thanks,
Taylor
Njk:
As a previous owner, the only advice I can give is think twice before start thinking about a replacement. It's still a very good instrument. Nothing revolutionary has happened since that time. A new thing of that class will cost you a fortune and I'm afraid it will not last so long. Don't listen to propaganda from a greedy instrument trolls. If you need some special functionality, much better way would be to buy a special plastic box as an augmentation tool. These are cheap now. So as long as your scope is working, use it and be happy with it.
bdunham7:
It's not a lateral move and would probably take some adjustment.  Whether it is a good choice or not depends a lot on how you use it. 

The SDS2000X+ main pros would be the larger screen, low-noise front end with 10-bit mode, much more memory (200M vs 10K), all options included or hackable (power analysis, FFT, advanced triggering, etc etc),. Others may suggest features they think are important as there is much, much more.  The cons, relative to the Tek TDS3054B are (again, IMO, YMMV) the lower sample rate, no TekProbe interface and a bit more obtuse AI and general setup.  My main gripe is the way that MATH channels are set up and that the ERES and AVG function are only done in separate MATH channels--of which there are only two. 

If you think the Tek is 'overkill' for you and you don't need 5GSa/s and TekProbe, then the SDS2000X+ might offer you some advanced features that are useful.  The 200M samples allow you to capture at incredibly slow rates and still zoom way in.  To be specific, you can capture at 10ms/div and zoom in to 1ns/div/. 

The TDS3054B is still a very nice scope and there's a reason they still sell for big bucks on eBay.  A more 'fair' comparison based on class and price would be the Siglent SDS5000X series. 

Maybe give some specific examples of how you use the scope and you might get some more informative comments.
coromonadalix:
unless going in the tds 5k tds7k series ?? but they are old too


pls take into account calibration and servicing if needed

yes  sds2k   series seems promising

Micsig  scope tablet ??

hantek  usb scopes ??  other brand too ??
alm:

--- Quote from: bdunham7 on February 13, 2023, 04:54:40 pm ---The SDS2000X+ main pros would be the larger screen, low-noise front end with 10-bit mode, much more memory (200M vs 10K), all options included or hackable (power analysis, FFT, advanced triggering, etc etc),.

--- End quote ---

All software options, including advanced triggering and FFT, are also unlockable on the  TDS3k, although admittedly less advanced ;)
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