Products > Test Equipment
New toy(?) scope, DSO154pro, 1ch, claimed 40MS/s
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Fungus:

--- Quote from: Matamipru on January 10, 2023, 05:46:30 am ---Unfortunate my probe came faulty.

--- End quote ---

That's not faulty, that's normal.



1x probes never have full bandwidth, you should use 10x for normal use.
Fungus:

--- Quote from: Matamipru on January 10, 2023, 06:02:29 am ---My scope is 34mhz ? Thanks

--- End quote ---

No.
a) A 40Mhz sampler can never show a 34MHz signal correctly.
b) It can only measure frequency correctly when there's several pulses on screen.


--- Quote from: Matamipru on January 10, 2023, 06:07:24 am ---I'm sorry, I sent the wrong video

https://youtu.be/D-gZIZkC1Fs

--- End quote ---

It all looks correct to me. Now you need to find out why...  :)
__Jack__:
Hello.
I got my device yesterday but it seems I have strange situation. Theoretically I bought "full" version ( 18MHz, 1x10 probe, internal battery ). Unfortunatelly, it seems to have no more than about... 2.5MHz of 3dB bandwith. I tested it via sine wave from external signal generator using crocodiles cable. I know that this cable  is worse than regular probe but it is only few MHz. When I looped internal generator ( 1Mhz squere wave ) via this cable, signal looked very limited and distorted. Absolutely it was not similar to what other colegues inserted in their pictures.
Is it possible I got 1MHz version or something is damaged?

Regards
Jack
Fungus:

--- Quote from: __Jack__ on January 10, 2023, 10:45:07 am ---I tested it via sine wave from external signal generator using crocodiles cable. I know that this cable  is worse than regular probe but it is only few MHz.

Is it possible I got 1MHz version or something is damaged?

--- End quote ---

It's the cable. You'll see the same with the probe in 1x mode.

The only time you get full bandwidth is with the probe in 10x mode.
Matamipru:
The alligator show square wave better than probe x1 and x10. I want to reset my dso154pro. Can you reset yours? Greetings
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