[volt-nuts] More thoughts on the 3458A
phk at phk.freebsd.dk
Wed Jan 22 15:34:55 EST 2014
In message <52E02644.6010002 at erols.com>, Chuck Harris writes:
>Poul-Henning Kamp wrote:
>> In message <CAFoWNwBDPPnjEF8gBsFWsFPCFc6qhG+dWG=oYEAhuGgU=wHXrw at mail.gmail.com>
>> The main limitation is that the HP3458A has very little RAM, so to
>> use the 100kHz sampling-rate, you need to download and run code
>> which can compress the samples in real-time, preferably into something
>> GPIB almost can keep up with. That is easier than it sounds, but
>> still a hazzle most people would prefer to be without.
>On the other hand, one could take the tack that John Seamons is
>following with the HP5370A/B time interval/frequency counter, and
>replace the CPU with something lower power, faster, and much more
>capable... and with an ethernet interface. A Beagle Bone Black
The CPU is a 68k, there's plenty of power, it's just the ethernet
which is missing.
Yes, I have been thinking about such ideas, but my time is
Poul-Henning Kamp | UNIX since Zilog Zeus 3.20
phk at FreeBSD.ORG | TCP/IP since RFC 956
FreeBSD committer | BSD since 4.3-tahoe
Never attribute to malice what can adequately be explained by incompetence.
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