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32-channel PC-based logic analyzers

Started by ernie July 19, 2004
Hi,

Can anyone recommend any good (and cheap) 32-channel analyzers?  By
cheap I mean less than or approximately $1000.  It would be nice if
the software supported complex triggering and the analyzer had
decently fast sampling rates.  Sample depth is not really a critical
issue but more is obviously better.

Thank you!
It's starting to look like ChipScope is a pretty decent logic analyzer.  You
could get a Xilinx eval board with headers on it and use it and ChipScope as
a logic analyzer.  The depth will be limited by the number of blockRAMs on
the part.
-Kevin

"ernie" <ernielin@gmail.com> wrote in message
news:d7fe9825.0407191638.58b29e0c@posting.google.com...
> Hi, > > Can anyone recommend any good (and cheap) 32-channel analyzers? By > cheap I mean less than or approximately $1000. It would be nice if > the software supported complex triggering and the analyzer had > decently fast sampling rates. Sample depth is not really a critical > issue but more is obviously better. > > Thank you!
ernie wrote:
> Hi, > > Can anyone recommend any good (and cheap) 32-channel analyzers? By > cheap I mean less than or approximately $1000. It would be nice if > the software supported complex triggering and the analyzer had > decently fast sampling rates. Sample depth is not really a critical > issue but more is obviously better. > > Thank you!
HP/Aligent Logicwaves show up on Ebay occasionally. I don't know anything about them but you might want to take a look. Mike
"ernie" <ernielin@gmail.com> wrote in message
news:d7fe9825.0407191638.58b29e0c@posting.google.com...
> Hi, > > Can anyone recommend any good (and cheap) 32-channel analyzers? By > cheap I mean less than or approximately $1000. It would be nice if > the software supported complex triggering and the analyzer had > decently fast sampling rates. Sample depth is not really a critical > issue but more is obviously better. > > Thank you!
You might be better off buying a second hand logic analyzer (non PC based) from eBay. Any PC based logic analyzer is going to be limited, especially with 32 channels. A lot of logic analyzers have RS232 or Network connectors so you can transfer the data to a PC.
"ernie" <ernielin@gmail.com> wrote in message
news:d7fe9825.0407191638.58b29e0c@posting.google.com...
> Hi, > > Can anyone recommend any good (and cheap) 32-channel analyzers? By > cheap I mean less than or approximately $1000. It would be nice if > the software supported complex triggering and the analyzer had > decently fast sampling rates. Sample depth is not really a critical > issue but more is obviously better.
Ernie, what do you mean by 'decently' fast? 100Msps, 500Msps? Nial. ------------------------------------------------ Nial Stewart Developments Ltd FPGA and High Speed Digital Design Cyclone Based 'Easy PCI' proto board www.nialstewartdevelopments.co.uk
Ernie,

We use a couple of Rocky Mountain Logic Ant16 USB logic analyzers.  Works
very well and fits in your pocket!

http://www.rockylogic.com/products/ant16.html

I've only used one at a time and have never had more than 12-13 channels
going at once, but suits our purposes on our under 100MHz fpga boards.  Love
working on my board on my laptop with Byteblaster, serial port, and Ant16 a
blazin'.

Cheers,
Ken

"ernie" <ernielin@gmail.com> wrote in message
news:d7fe9825.0407191638.58b29e0c@posting.google.com...
> Hi, > > Can anyone recommend any good (and cheap) 32-channel analyzers? By > cheap I mean less than or approximately $1000. It would be nice if > the software supported complex triggering and the analyzer had > decently fast sampling rates. Sample depth is not really a critical > issue but more is obviously better. > > Thank you!
I'm using iSystem's logic analyzer:
http://www.isystem.com/Products/Logic%20Analyzer/iLA128_Page1.htm
It's not state of the art, but you can build pretty complex triggers. It
comes with decent SW, which is rare these days...

Igi

"ernie" <ernielin@gmail.com> wrote in message
news:d7fe9825.0407191638.58b29e0c@posting.google.com...
> Hi, > > Can anyone recommend any good (and cheap) 32-channel analyzers? By > cheap I mean less than or approximately $1000. It would be nice if > the software supported complex triggering and the analyzer had > decently fast sampling rates. Sample depth is not really a critical > issue but more is obviously better. > > Thank you!
> We use a couple of Rocky Mountain Logic Ant16 USB logic analyzers. Works > very well and fits in your pocket! > > http://www.rockylogic.com/products/ant16.html > > I've only used one at a time and have never had more than 12-13 channels > going at once, but suits our purposes on our under 100MHz fpga boards. Love > working on my board on my laptop with Byteblaster, serial port, and Ant16 a > blazin'. >
Hi Ken, I was actually thinking of purchasing one of the Ant16 analyzers too, but I couldn't find any reviews so I was hesitant. So you don't find having only 16 channels limits your work? I am trying to debug a memory bus so I thought that 16 channels would be inadequate. I was also wondering if you know anyone who's tried maybe using more than one Ant16 analyzer at a time, ie. if you plug in 2 Ant16s would the software recognize both at the same time? Thanks! Ernie
"Nial Stewart" <nial@nialstewartdevelopments.co.uk> wrote in message news:<40fe1ee5$0$7126$db0fefd9@news.zen.co.uk>...
> "ernie" <ernielin@gmail.com> wrote in message > news:d7fe9825.0407191638.58b29e0c@posting.google.com... > > Hi, > > > > Can anyone recommend any good (and cheap) 32-channel analyzers? By > > cheap I mean less than or approximately $1000. It would be nice if > > the software supported complex triggering and the analyzer had > > decently fast sampling rates. Sample depth is not really a critical > > issue but more is obviously better. > > Ernie, what do you mean by 'decently' fast? 100Msps, 500Msps? > > > Nial. > > ------------------------------------------------ > Nial Stewart Developments Ltd > FPGA and High Speed Digital Design > Cyclone Based 'Easy PCI' proto board > www.nialstewartdevelopments.co.uk
Hi Nial, Well, I'm thinking at least 100 Msps...I'm not trying to capture any really high-speed signals. Thanks! Ernie
Dave wrote:
> I have used the Ant8 logic analyzer and for the money it is good > value. Obvisouly having only 8 channels limits what you can do. The > sample depth of the Ant8 is quite small and so it is only suitable > for slow signals.
It depends, but modest folk though we are, we sometimes brag about getting 500MHz from a Spartan-2 ;-) Of course, Peter A has done way better than that for a frequency counter. As I recall, he got most of the way to 1GHz in a Xilinx 4K part several years ago.
> I haven't checked this, but I think the Ant16 has > only half the sample depth of the Ant8.
Ant8: 3K deep, Ant16: 2K deep.