Products > Test Equipment
New toy(?) scope, DSO154pro, 1ch, claimed 40MS/s
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tunk:
New small scope, this time hopefully with real specs:
- Sampling rate 40MS/s
- Bandwidth 1MHz/18MHz
- Sensistivity 20mV/Div ~ 10V/Div
- Time Base 50ns ~ 10s
- Generator Frequency: 0-500K, 3.0V
- Screen 2.4 inch / Resolution 320*240
- Size 87*58*18mm

http://www.sigpeak.com/productinfo/dso154pro.html
http://www.sigpeak.com/download/ZEEWEII-dso154pro_UserGuide_En.pdf
https://youtu.be/BmaMLNnN-rc
tautech:

--- Quote from: tunk on November 19, 2022, 07:26:27 pm ---New small scope, this time hopefully with real specs:
- Sampling rate 40MS/s
- Bandwidth 1MHz/18MHz
- Sensistivity 20mV/Div ~ 10V/Div
- Time Base 50ns ~ 10s
- Generator Frequency: 0-500K, 3.0V
- Screen 2.4 inch / Resolution 320*240
- Size 87*58*18mm

http://www.sigpeak.com/productinfo/dso154pro.html
http://www.sigpeak.com/download/ZEEWEII-dso154pro_UserGuide_En.pdf
https://youtu.be/BmaMLNnN-rc

--- End quote ---
Useless in the real world for checking ripple on a supply rail. Some instruments specify 5mV max ripple, how can you see that with such poor sensitivity.
ataradov:
I don't know why we need so many of those cheap scopes. They are useless.

The only thing I can see something like this being useful if you are making one your self from scratch as a somewhat advanced hardware/firmware project.
james_s:
I think something like this is probably adequate for kids tinkering with electronics. I'm spoiled now but I would have been thrilled to have something like that when I was a kid. Limited, yes, but not useless. Sort of a VW Beetle or Lada, they weren't great cars by any measure but they were affordable and better than walking.
BillyO:
I agree.  They have their place but probably more akin to a Wal-Mart bicycle.  :-DD

Using the older DSO-138 and a $15 FG I was able show my nephew how to plot the FR of simple RC audio frequency low-pass, high-pass, band-pass and band-stop filters.  A $100K Keysight would probably give more precise results but I doubt he would learn anything more.
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