Products > Test Equipment

Oscilloscope Music on DSOs- Post your Results

<< < (5/11) > >>

TopQuark:

--- Quote from: joeqsmith on April 14, 2024, 12:23:50 am ---Maybe there is a better way to detect the update rate (of the screen).   Manufactures seem to post the number of sweeps or waveforms they can store, but not how fast they can display the data.

--- End quote ---

Not a completely scientific measurement, bu you can check the "Siglent SDS2504X HD - Dancer" video which was shot at 60 FPS. If you pause the video and advance it frame by frame by pressing , and . on your keyboard, you'll see the screen does update at 60Hz, with new content on the screen every video frame.

Edit:


--- Quote from: joeqsmith on April 14, 2024, 12:23:50 am ---Maybe there is a better way to detect the update rate (of the screen).   Manufactures seem to post the number of sweeps or waveforms they can store, but not how fast they can display the data.

--- End quote ---

Another question that could also be asked is how well the multiple acquisitions made between every screen update are presented to the user on the screen. Scopes with good "digital phosphor" tech will stack the multiple acquisitions made during each screen update, and use brightness intensity to convey how often the multiple waveforms overlap a single point on the screen.

I don't think LCD screens on most scopes with 8-bit color depth and uniform backlight brightness can match the display dynamic range on a phosphor CRT, but I guess one could use antialiasing techniques and good gamma curves to convey more of the frequency-of-occurrence information within multiple stacked acquisitions. Color intensity grading can also boost the effective dynamic range of the display by using all the color channels I guess.

In an ideal world, my scope would have the retina, 1000000:1 contrast ratio, mini-led local backlight, 1600 nits, 144 Hz display on my Macbook, plus the 4.5 million wfm/s update rate on the R&S MXO4, plus a really good digital phosphor implementation, to show me every bit of detail in all the waveform samples.  :P

I wonder how one could quantitatively measure the performance of an oscilloscope in this respect. But I digress, this thread is about how well scopes can rock and roll.

Martin72:
Hi,



(1080p avaible)

Excerpt from "Shrooms", 2 minutes, SDS1104X-E, then SDS804X HD.
Nearly the same settings, the difference is huge in my opnion.

KungFuJosh:

--- Quote from: Martin72 on April 14, 2024, 05:13:37 pm ---Nearly the same settings, the difference is huge in my opnion.

--- End quote ---

Definitely an improvement, but I want to see the same excerpt on your SDS3000XHD! (in the next 2 weeks to 6 months, depending on how long it takes to get it 😉😉)

Martin72:
Not funny.... :P ;D 8)
By the way, the settings:
1ms/Div., 200mV/div each channel, Focusrite 2i2 192khz, wav file (downloaded the complete album) fed in via 50ohm terminators, trigger ch1/ac/each, 10kpts (804)/7kpts (1104X-E).
External trigger like TopQuark suggested was not possible.

Anthocyanina:

--- Quote from: Martin72 on April 14, 2024, 05:13:37 pm ---Hi,



(1080p avaible)

Excerpt from "Shrooms", 2 minutes, SDS1104X-E, then SDS804X HD.
Nearly the same settings, the difference is huge in my opnion.

--- End quote ---

does the 1104 not have high res mode in XY?

thank you!

Navigation

[0] Message Index

[#] Next page

[*] Previous page

There was an error while thanking
Thanking...
Go to full version
Powered by SMFPacks Advanced Attachments Uploader Mod