Products > Test Equipment
Is the RiGOL DS1054Z still Dave's choice for under $500?
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james_s:
The vast majority of digital scopes are only 8 bit, personally I have never found that to be a limiting factor and I would take other features over increased ADC resolution at a given price point. There may be some tasks where 12 bit offers an advantage, but that is a niche case and if you need it you would probably know.
markone:

--- Quote from: Fungus on November 26, 2022, 02:37:23 pm ---
--- Quote from: artag on November 26, 2022, 01:13:54 pm ---But although I occasionally use that feature because the scope's on the bench and usually switched on, for any substantial serial decode I use a salae analyser. It doesnt have hardware triggering (I think the latest software does have a software trigger) but the ability to capture and work with a practically infinite length of capture is a killer feature - and available at very low cost if you use Sigrok instead of Saleae.

--- End quote ---

Yeah, but sometimes you really want to see it in real time, not press "record", wait a while... press "stop"... then start mousing around looking for something useful.

eg. I was writing a bitbang I2C last week and my Micsig was showing the test packet in real time, along with all the ACK/NAK bits, etc.

No need to touch the 'scope at all while I was coding. I just glance at the screen and there it is.

That's "killer" for that job, not the memory length.

--- End quote ---

The current Logic 2 program version shows traces and decoded serials in real time too, while it records, with simple Cypress FX2 LAs in streaming mode (at least within certain time scales and baud rate).

Worth a try, Just in case.
Karel:
One thing I don't like about the DS1054Z is that the serial decoding is done only on what is visible on the screen.
And if the screen trace does not start just before the start bit, the decoding fails.
This means that if you capture a long string from a serial port you can only decode the beginning of that string.
I find that very annoying when debugging a board.
markone:

--- Quote from: Karel on November 27, 2022, 09:06:20 am ---One thing I don't like about the DS1054Z is that the serial decoding is done only on what is visible on the screen.
And if the screen trace does not start just before the start bit, the decoding fails.
This means that if you capture a long string from a serial port you can only decode the beginning of that string.
I find that very annoying when debugging a board.

--- End quote ---

I also own a DS1054Z from awhile, i think it is still a great instrument for the price but some functionality are quite slow for the current standards, among them there are serial decoder and remote control, if I had to make use of these I would opt for another instrument otherwise is still a good purchase.

In any case, for serial interface decoding / recording makes much more sense to use a cheap LA with proper SW.
RoGeorge:

--- Quote from: markone on November 27, 2022, 09:20:24 am ---DS1054Z ... quite slow ... remote control

--- End quote ---

Can you give an example of how slow it is, or what bothers exactly when remote controlling the DS1054Z?

Asking because I've tried recently to download the full 24 million ADC samples, and with the proper setup it went from 22 minutes to 22 seconds.
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