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<div class="moz-cite-prefix">"synchronous capture" - capture data
using an external clock. Data which is stable 1ns(?) either side
of a clock rising edge is acquired - this not the same as
triggering off of input flag.<br>
<br>
This is an available mode on my (old/fast) ANT16, as it is with
all of the HP logic analysers I have used.<br>
<br>
One of the difficulties with the mode is that incoming clocks need
to be time-stamped.<br>
<br>
-Mark<br>
<br>
<br>
On 19/01/2018 10:35 AM, Charles Manning wrote:<br>
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cite="mid:CAE21AQorkh_4UsXLOPRuv3+D+xigyPCgg=TJj6s8GOnom7feSw@mail.gmail.com">
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<div>Please explain what you mean by "synchronous capture and
generation".<br>
<br>
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<div class="gmail_extra"><br>
<div class="gmail_quote">On Thu, Jan 18, 2018 at 7:23 PM, Mark
Atherton <span dir="ltr"><<a
href="mailto:markaren1@xtra.co.nz" target="_blank"
moz-do-not-send="true">markaren1@xtra.co.nz</a>></span>
wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">Charles,<br>
<br>
does this unit do synchronous capture and generation ?<br>
<br>
-M<br>
<br>
On 18/01/2018 5:50 PM, Charles Manning wrote:<br>
<blockquote class="gmail_quote" style="margin:0 0 0
.8ex;border-left:1px #ccc solid;padding-left:1ex">
Even if it works under Wine, it will likely have issues
due to not being able to transfer at full USB speeds.<br>
<br>
The Saleae kit is good. Anyone who rips them off is scummy
IMHO.<br>
<br>
I have an old Salaea (8 chan/24Msps) and have recently
bought a DigitalDiscovery from Digilent because I needed
some more channels and more speed (I needed up to 100MHz,
but this goes up to 800MHz).<br>
It can also generate waveforms.<br>
<br>
<a
href="https://store.digilentinc.com/digital-discovery-portable-logic-analyzer-and-digital-pattern-generator/"
rel="noreferrer" target="_blank" moz-do-not-send="true">https://store.digilentinc.com/<wbr>digital-discovery-portable-log<wbr>ic-analyzer-and-digital-patter<wbr>n-generator/</a><br>
<br>
It also works under Linux. Not nearly as pretty as Saleae,
but did the job.<br>
<br>
It stores samples in the onboard 2Gbit DDR which limits
the sample depth to a 64Msamples or so.<br>
<br>
What is really neat about the DigitalDiscovery is that it
comes with a C/C++ + Python API that allows you to program
up "test scripts" etc.<br>
<br>
For example, I needed to capture data into files then run
some FFTs etc. All very easy, scripted and allowed me to
re-run tests etc without messing about clicking the UI
hundreds of times.<br>
</blockquote>
<br>
<br>
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