I don't think it would be wise to remove the local storage.  You're 
going to want that storage to maintain a high sampling rate.

-Shawn


Marc Nicholas wrote:
> It's definitely a neat project.
> 
> Couple of comments:
> 
> - I think the FLEX 8K is EOL'd?
> - Parallel interface isn't applicable to today's needs or personal 
> computing environments. I'd be game for implementing USB1.0 at the very 
> least. (We can do both the PHY and MAC in a entry-level FPGA...USB 2.x 
> would likely require the PHY as an ASIC).
> - USB might (haven't done the napkin-work) relieve the need to use much 
> in the way of local storage. If not, probably easy/quick to use ZBT SRAM.
> - I'm horrible for PCB work...I could do the FPGA stuff with effort ;-)
> 
> There are enough interesting/capable/dedicated people here to produce 
> something rivalling a commercial product. I actually really, REALLY need 
> a decent multi-channel logic analyzer right now, so would be prepared to 
> invest some sweat equity.
> 
> Comments?
> 
> -marc
> 
> On Fri, 17 Sep 2004, David P Harris wrote:
> 
>> No, but I have thought about it :-)
>> We would need to have some boards made, I think. I would like to 
>> collaborate, if people are interested. David
>>
>>
>> Bob J wrote:
>>
>>> Has anyone here built one of these high storage depth DSO's?
>>>
>>> http://www.chocbar.demon.co.uk/
>>>
>>> It appears to be a good design, and a heck of a lot cheaper than the
>>> pc scopes available or the old junk DSO scopes on ebay.
>>>
>>> Regards,
>>> Bob
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>>
>>
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