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| Choosing an oscilloscope |
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| tautech:
--- Quote from: rstofer on October 06, 2020, 10:15:27 pm ---Four channels is arguable so the SDS 1202X-E or SDS1102X-E are the lower priced 2 channel scopes. I think the SDS1102X-E can be unlocked for 200 MHz. --- End quote --- No such model has been available in the west only the 2ch 200 MHz SDS1202X-E. --- Quote ---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. --- End quote --- Very true, remaining bugs for these popular models are very low. Still, scope selection need not only based on price or remaining bugs but specifically datasheet specifications where proper analysis can be a challenge for the scope novice. This is what the forum is for so you can fire questions at us for detailed replies to why one brands spec might be better than another. |
| srb1954:
The Tek catalog says 35W maximum power consumption for the 2235 |
| tautech:
--- Quote from: srb1954 on October 07, 2020, 12:23:11 am ---The Tek catalog says 35W maximum power consumption for the 2235 --- End quote --- That's excellent for an old scope and pretty much equivalent to most modern DSO's. |
| Fungus:
--- Quote from: rstofer on October 06, 2020, 10:15:27 pm ---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. --- End quote --- The Siglent bug thread is alive and well: https://www.eevblog.com/forum/testgear/siglent-sds1204x-e-released-for-domestic-markets-in-china/1675/ |
| BravoV:
--- Quote from: BravoV on October 06, 2020, 03:48:14 am --- --- 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 ? --- End quote --- --- Quote from: Wallace Gasiewicz on October 06, 2020, 05:11:11 pm ---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 --- End quote --- Essentially you're telling us, on sourcing the old analog scope parts, its all depends on one's luck, right ? Owner of few analog scopes my self, and I know well how hard it is to source them, minor parts like knobs or feet, maybe easier to find them cheap or easily get even thru donation, but some unobtainium part, especially popular ones, like for example the notorious U800 chip from popular Tek 2x65 A/B/vanilla scope, even its available, usually/mostly sellers will put a bastard price. ::) |
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