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| multi XY views |
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| tautech:
--- Quote from: Fungus on March 16, 2023, 08:07:12 am ---Or ... maybe 4 cheap 'scopes with remote web interface, eg. Siglent SDS1202X-E. I don't know what the refresh rate will be like though. --- End quote --- No webserver in that model. Only SDS1kX-E 4ch and 2kX-E 2ch models and the more expensive ranges have webservers. |
| metebalci:
Just an update for a future reader of this thread. As I said last week, I decided to give PicoScope 4424A a try. My bandwidth need is pretty low so this works quite well for me. If channels can be freely selected for any (XY) view, then 4 channels are also enough for me. I received the unit and it works fine for the questions I asked at the start of the thread: - The XY output/display quality is pretty good, the unit has 12 bit ADC so I guess this is expected. - You can have as much XY view as you want (probably there is a limit in the software but I dont know). It is possible to have XY, XYY or even XYYY on the same view. Basically you select the channel for the X-axis, and then any combination of other (3) channels for the Y-axis is possible. - Any channels can be used for any XY views, in the sense that there is no limitation like one channel can only be used on one (XY) view. - Normal (YT) views can simultaneously be used. - I do not need XYZ style views either for using Z as gate or intensity, and as far as I see it is not possible to do this with the ready-to-use software (PicoScope 7). I did not check it thoroughly, so I am not 100% sure about this. |
| donlisms:
I think the 4-bay Tektronix 7000 series analog scopes should be able to do this. I've never tried it; my 7904 is currently... in a... rest period, while the power supply is being renewed for the next half century. My theory is you'd just put four two-channel amplifier plugins in it (your choice of bandwidth), push some buttons to configure the vertical and horizontal, and there you go. As a bonus, the display will be MUCH prettier than anything made of pixels! |
| n4u:
You may try switch between xy1 and xy2 using mux and generator. If u do it fast enought u may be able to display two results at once (even with adsitional offset cirsuit etc) |
| David Hess:
--- Quote from: metebalci on March 15, 2023, 04:35:39 pm ---I dont need much bandwidth, even 20MHz would be fine. Should I look for multiple basic analog scopes? --- End quote --- With some very rare exceptions, analog oscilloscope horizontal bandwidth is typically in the 1 to 3 MHz range. Fast linear sweeps do not require a lot of bandwidth. --- Quote ---I havent seen any scope that can do more than XYY (XY and ZU etc), is there any such unit? --- End quote --- The old 4-bay Tektronix 7000 series mainframe oscilloscopes have a mode where the vertical and horizontal bays are paired up to operate as two separate but complete oscilloscopes with the same CRT, so two completely independent XY displays could be shown. Horizontal bandwidth is still low as described above (1), unless 7S11 sampling plug-ins are used in which case the X and Y bandwidth would extend to 100s of MHz or even to GHz. (1) The 7104 has a 350 MHz horizontal bandwidth but is not really suited for your application. |
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