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Choosing an oscilloscope
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rsjsouza:

--- Quote from: Martin72 on October 11, 2020, 11:23:54 pm ---Hi,
GW intek I´ve known as a c-brand so far.(we got some frequency generators from this brand)
And searching this model you named, it seems to change nothing about this.
It costs 465€ in the cheapest way in germany, 100 bucks more than the rigol.
I´ve never worked with this, so I could only compare it´s features against the rigol.
And it losts against the old fashioned one..
On the paper, in practice I would like to see a comparison vid from both.

--- End quote ---
GW Instek has some reasonable products and it seems they keep up with some models, particularly oscilloscopes. The GDS1054B is based on the same platform as the SDS1104X-E from Siglent - however, while the Siglent always supported protocol decoding on its full memory, it took a while for GWI to add this feature and, even still, it limits the sample memory to meagre 100kpts in decode mode (according to a user).

Here in the US the price difference between the GWI and the Siglent is more dramatic, which favours the former if you are cash strapped.
Fungus:

--- Quote from: Martin72 on October 11, 2020, 11:23:54 pm ---Hi,
GW intek I´ve known as a c-brand so far.(we got some frequency generators from this brand)
And searching this model you named, it seems to change nothing about this.
It costs 465€ in the cheapest way in germany, 100 bucks more than the rigol.
I´ve never worked with this, so I could only compare it´s features against the rigol.
And it losts against the old fashioned one..
On the paper, in practice I would like to see a comparison vid from both.

--- End quote ---

It's definitely better than the Rigol now that Instek has added all the serial decoders and other features to it. Numbers on paper don't tell you everything. In the USA you can get them really cheap so it's a no-brainer. Things aren't so clear over here.
Golds:
It is not recommended that you choose an oscilloscope that is too old, because you cannot predict that it will suddenly malfunction
SilverSolder:

--- Quote from: Golds on October 12, 2020, 07:19:05 am ---It is not recommended that you choose an oscilloscope that is too old, because you cannot predict that it will suddenly malfunction

--- End quote ---

There is some truth to that - but many hobbyists and professionals use high quality equipment from the 60s - 00s that is still alive because it is repairable.

As a hobbyist, I think it would be fair to say I have learned more from poring over old schematics and fixing old equipment than any other way!

I would say, instead, that if you decide to go with older equipment, try to pick stuff that is popular e.g. in the eevblog community, so there is a chance of getting answers to questions you may have.   Actually that's probably true for new equipment as well!  :D
george.b:

--- Quote from: SilverSolder on October 12, 2020, 02:35:51 pm ---
--- Quote from: Golds on October 12, 2020, 07:19:05 am ---It is not recommended that you choose an oscilloscope that is too old, because you cannot predict that it will suddenly malfunction

--- End quote ---

There is some truth to that - but many hobbyists and professionals use high quality equipment from the 60s - 00s that is still alive because it is repairable.

--- End quote ---

I find this often-repeated fact of greater repairability with older gear to be, while not untrue, overstated, and therefore potentially misleading. All is fine and well until you run into a defective ASIC, or a very hard to get component. Tunnel diodes, or Tek U800, anyone?
Also, playing games like "spot the shorted tantalum" when there are dozens of them spread across 5 different boards gets old real quick.
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