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| Best Oscilloscope under $300? |
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| tggzzz:
--- Quote from: tatel on February 22, 2024, 10:05:44 pm ---Buying an old, 8-bit, 4-channel old entry-level rigol/siglent devices isn't the way to go, at least while people continue to ask for about 300 bucks. --- End quote --- Beginners are unlikely to understand the consequences of a 8bit resolution - and probably fewer Effective Number Of Bits (ENOB) - especially when using the device as a spectrum analyser. Too few experienced engineers too, to the extent that it is a useful interview question. --- Quote ---If budget is really tight, it would be wise to follow tggzzz's advice and to buy something that does fewer things but does it right. At least it will continue to be useful in the future and you won't think about throwing it in the trash bin. --- End quote --- In life in general I tend to divide purchases into a number of distinct categories. Transient interest/use: cheap, so throwing it away is acceptable. Learning experience: use for a while until you have worked out what you really need. Either cheap+throwaway, or cheapish and sell after use. Everything else: spend money on buying something pleasing that will last a lifetime. It is horrifying how many things have lasted me a lifetime :) ! Neither of those categories is right/wrong. It helps to explicitly decide which you are spending money on. |
| Aldo22:
I have a different view. You can very well buy a Zeeweii as your first scope, then a Hantek and later a Rigol or Siglent or R&S and continue to use all the devices. A Zeeweii DSO2512G has clear advantages over a benchtop scope (and of course also many disadvantages). It is portable, light and robust. You can take it to the DUT and not vice versa. It's easy to use, and it starts up in 3 seconds etc. In principle, this is a different category of device and you can still use both types. Even a Hantek DSO2000 has a few advantages over a DHO800. It starts up in 12 seconds, has no fan and is therefore noiseless, it consumes less power and has a signal generator. This may not be important for everyone, but there is no reason not to continue using all these devices in certain situations, especially if they are not a financial burden. |
| tggzzz:
--- Quote from: Aldo22 on February 23, 2024, 01:35:25 pm ---I have a different view. You can very well buy a Zeeweii as your first scope, then a Hantek and later a Rigol or Siglent or R&S and continue to use all the devices. A Zeeweii DSO2512G has clear advantages over a benchtop scope (and of course also many disadvantages). It is portable, light and robust. You can take it to the DUT and not vice versa. It's easy to use, and it starts up in 3 seconds etc. In principle, this is a different category of device and you can still use both types. Even a Hantek DSO2000 has a few advantages over a DHO800. It starts up in 12 seconds, has no fan and is therefore noiseless, it consumes less power and has a signal generator. This may not be important for everyone, but there is no reason not to continue using all these devices in certain situations, especially if they are not a financial burden. --- End quote --- Agreed. Most of my scopes start up in 3-6 seconds. Those that don't are a pain - and tend to stay on the shelf except for the few occasions when I need their USP :) I can't hear their fans, which makes me sad. |
| tatel:
--- Quote from: Aldo22 on February 23, 2024, 01:35:25 pm ---I have a different view. You can very well buy a Zeeweii as your first scope, then a Hantek and later a Rigol or Siglent or R&S and continue to use all the devices. A Zeeweii DSO2512G has clear advantages over a benchtop scope (and of course also many disadvantages). It is portable, light and robust. You can take it to the DUT and not vice versa. It's easy to use, and it starts up in 3 seconds etc. In principle, this is a different category of device and you can still use both types. Even a Hantek DSO2000 has a few advantages over a DHO800. It starts up in 12 seconds, has no fan and is therefore noiseless, it consumes less power and has a signal generator. This may not be important for everyone, but there is no reason not to continue using all these devices in certain situations, especially if they are not a financial burden. --- End quote --- 8) |
| nctnico:
--- Quote from: Aldo22 on February 23, 2024, 01:35:25 pm ---I have a different view. You can very well buy a Zeeweii as your first scope, then a Hantek and later a Rigol or Siglent or R&S and continue to use all the devices. A Zeeweii DSO2512G has clear advantages over a benchtop scope (and of course also many disadvantages). It is portable, light and robust. You can take it to the DUT and not vice versa. It's easy to use, and it starts up in 3 seconds etc. In principle, this is a different category of device and you can still use both types. --- End quote --- IMHO the key should be that a piece of test equipment behaves consistently and what is implemented, works well. If the bandwidth is not as advertised, I don't see a really big problem (unless ofcourse the bandwidth is needed but for tinkering this typically isn't the case). Those Zeeweii scopes are cheap enough not to cause a major pain in your wallet. A couple of years ago I was stupid enough to spend 2500 euro on a Siglent scope which ended up in the trash. A useless POS and the (authorised!) Siglent distributor didn't want to take it back. Since then I have a rule not to spend more than around 100 euro on really cheap equipment OR just pony up the money and buy the real deal. Along tatel's statement from a few posts up; there aint no such thing as a free lunch so you won't be able to buy the same functionality cheaper from Chinese brands. In China engineers are just as expensive nowadays and A-brand equipment is being produced in China. So the only corner the Chinese brands can cut is spending less on software quality and testing if they want to pretend to offer the same functionality. |
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