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| Choosing an oscilloscope |
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| Wallace Gasiewicz:
Ask the guys on Groups.io TekScopes group about the Tek. They can give you their opinion and a good price recommendation. https://groups.io/g/TekScopes If something bad happens to a scope, there are plenty of people who can help. The other scopes are uncertain as to even documentation. |
| BravoV:
--- Quote from: Wallace Gasiewicz on October 06, 2020, 12:56:41 am ---If something bad happens to a scope, there are plenty of people who can help. --- End quote --- Like easily to source or get donated or cheaply unobtainium chip ? |
| Wallace Gasiewicz:
Yes , I even had a guy send me a nixie driver chip for an old HP counter free. This was from the HP Equipment group on Groups io After I installed it and it worked, I reported back to him and volunteered to pay, he considered my reply as payment since he said it reinforced his chip removal technique. Another time I had a problem with "bounce" (each push of the key would make multiple entries; 111 instead of 1) on an old Marconi SA, someone told me exactly what the problem was and which component to replace, another 25 cent fix. Marconi group. For the most part, these groups are quite helpful and extremely knowledgeable Wally |
| David Hess:
--- Quote from: Gandalf_Sr on October 06, 2020, 12:31:57 am ---I realize I'm 'lucky' to be living in the US but I only paid $285 for my DS1054Z as an open box item that I also got an eevblog discount on. --- End quote --- One of my 2232s and 2230s were $80 each, but I live in the US. |
| rstofer:
I have had several analog scopes over the last 60 years and NONE of them compare to the DS1054Z. The modern DSO is in an entirely different class in terms of capability. Single shot mode alone is worth waiting to buy the DSO. The number of measurements a modern DSO can do is staggering. They're on a completely different planet. I have a Tek 485 350 MHz 2 channel scope I bought about 15 years ago and, in terms of bandwidth, it is great. It was a fantastic scope when it was built but that was a long time ago. It was introduced in March of 1972. In my view, every dime you put into a worn out analog scope is wasted. You will eventually want the DSO for the capabilities anyway and it's only a matter of time before the analog scope just rolls over and dies. Today, I would be looking at the Siglent SDS 1204X-E (200 MHz 4 channel and relatively expensive) or unlocking the SDS 1104X-E to get the same 200 MHz bandwidth. Four channels is arguable so the SDS 1202X-E or SDS 1102X-E are the lower priced 2 channel scopes. I think the SDS 1102X-E can be unlocked for 200 MHz. I wanted 4 channels specifically for decoding SPI. Lacking that requirement, two channels would be fine and that's all there have been for many years. Four channel scopes were extremely rare and very expensive. Entry level: Rigol DS1054Z (unlocked to 100 MHz) or Siglent SDS 1104X-E (unlocked to 200 MHz). $349 and $499 respectively at Amazon. The Siglent is $150 more but can reach 200 MHz. The Siglent is reported to have a better user interface. You're right, there are a bazillion threads just like this with the same people giving the same replies, over and over. Nothing changes very fast in test equipment. And, yes, the DS1054Z is 'mature' but that also means they finally ironed out the bugs and that took a couple of years. I truly don't know where that stands with the Siglent lineup. If I were in the market, I would haunt the Test Equipment forum to find out. The Siglents have been around for a while, it could be they are cleaned up as well. In any event, the bugs usually turn out to be in some obscure feature you are unlikely to use any time soon. |
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