Products > Test Equipment

Which logic analyzer for FPGA work up to 300-400 Mhz

<< < (10/11) > >>

tggzzz:

--- Quote from: markone on January 08, 2023, 03:16:31 pm ---
--- Quote from: tggzzz on January 08, 2023, 03:09:44 pm ---
--- Quote from: markone on January 08, 2023, 02:05:45 pm ---
--- Quote from: nctnico on January 08, 2023, 02:00:37 pm ---
--- Quote from: tggzzz on January 08, 2023, 01:46:34 pm ---
--- Quote from: markone on January 08, 2023, 12:35:47 pm ---One of the lesson learned in my life is the following : never rely in a open source development for serious things.

My current feeling for my DSLogic plus purchase is that I threw out the window 130 euros, but as we all know sh*t happens.

--- End quote ---

You pay for experience with your money and/or time.

Closed source commercial products are clearly the way forward. I recommend you spend time considering Microsoft Plays For Sure, Microsofts many GUI/Web frameworks (e.g. silverlight), Altium CircuitStudio(?), Micro-Cap simulator, Adobe Flash etc etc etc

Hint: there are no real general distinctions between open source and commercial products, but each product has its own relative advantages and disadvantages. It takes hard-won wisdom to choose.

--- End quote ---
Agreed. Both commercial and open source software can be excellent or suck badly. You can't tell before you investigate a particular piece of software.

--- End quote ---

Commercial products have to satisfy many requirements, if the commercial company fails in that lose customers confidence and go bankrupt, open source projects often are simply training ground for budding programmers.

--- End quote ---

Yes, commercial products are solely designed for the customers benefit, are never a training ground for marketeers/executives, are never abandoned before or after delivering those benefits nor when paying customers are still relying on them, and are never used to gouge unjustifiable sums from customers.

--- End quote ---

Sarcasm detected  :D

Are you a keen / proud open source developer / supporter ?

Remaining in thread, do you have an example of open source LA SW / HW system that is barely comparable to a professional product ?

--- End quote ---

I am neither religious nor political. I look for tools that are fit for purpose, easy to use, and do what I need. Sometimes those are free as in beer, sometimes free as in air, sometimes extremely expensive.

All that implies understanding why different types of tool exist, their relative advantages and disadvantages - and not falling into ideological ruts. And also using whatever is available creatively and to best advantage.

Everything in my .sig is there for a reason.

Thomas:

--- Quote from: markone on January 08, 2023, 12:23:52 pm ---Good, do you have an idea about re-arm time ?

I know that it's for sure dependent on capture settings, I need a rough number to understand how much the system is responsive.

--- End quote ---

It will depend on a lot of things, including the computer it is running on.
But with short capture memory I get tens of updates per second (20-50 updates per second? Not sure).
Similar to my Analog Discovery 2, signals seems to update pretty much instantaneous, without any annoying delay.
And a slow-ish FM signal looks like a spring compressing and extending.
Seems responsive enough for me, no complaints here.

markone:

--- Quote from: Thomas on January 08, 2023, 05:09:33 pm ---
--- Quote from: markone on January 08, 2023, 12:23:52 pm ---Good, do you have an idea about re-arm time ?

I know that it's for sure dependent on capture settings, I need a rough number to understand how much the system is responsive.

--- End quote ---

It will depend on a lot of things, including the computer it is running on.
But with short capture memory I get tens of updates per second (20-50 updates per second? Not sure).
Similar to my Analog Discovery 2, signals seems to update pretty much instantaneous, without any annoying delay.
And a slow-ish FM signal looks like a spring compressing and extending.
Seems responsive enough for me, no complaints here.

--- End quote ---

That seems great, this device is not cheap but seems to carry everything is needed for serious job.

Noted for future need.

gslick:
For boat anchor logic analyzer fans, you can sometimes find reasonable deals if you are patient. The last boat anchor logic analyzer I picked up around 3 months ago was an Agilent 16902A, which included a 16910A 102-channel 32M-sample analyzer module (plus a couple of other modules) for a total of $200 including shipping in the US. This deal was probably better due to the 16902A lacking a hard drive, which was easy for me to replace and reload the OS and application software, as that is something I had already been through a few times.

The Agilent / Keysight 16900 and 16800 series logic analyzers run Windows XP (or Windows 7 in the much nicer and faster newer versions), and can be remotely controlled by the logic analyzer application running on a remote PC. In some cases the remote control might provide a better user experience if the logic analyzer application runs on a significantly faster modern system than locally on the 1GHz PIII motherboard built into the original 16900 series logic analyzers.

mtk:

--- Quote from: gslick on January 08, 2023, 09:56:48 pm ---For boat anchor logic analyzer fans, you can sometimes find reasonable deals if you are patient. The last boat anchor logic analyzer I picked up around 3 months ago was an Agilent 16902A, which included a 16910A 102-channel 32M-sample analyzer module (plus a couple of other modules) for a total of $200 including shipping in the US.

--- End quote ---

In Europe they are more expensive. For example, currently in Germany there is one listing for HP 16500C (https://www.ebay-kleinanzeigen.de/s-anzeige/hp-16500c-logikanalysator-incl-erw-karten-und-sehr-viel-zubehoer/2245980136-168-4201) - 350 EUR. It includes the following modules:

HP 16555A: Logic Analyzer, 500MHz, 64 ch, 2M-deep/channel
HP 16533A: Oscilloscope, 1GS/s, 2 ch
HP 16517A: Logic Analyze, 4GHz, 16 ch
HP 16552A: Pattern Generator, 200MHz, 20 ch (40 ch / 100MHz)

+ lots of cables and adapters

Just the shipping in Germany cost between 50-100 USD. If it has to be delivered to another EU country will cost probably at least another 100 EUR.

Any comments about the quality of the oscilloscope ?

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