[time-nuts] Frequency counter recommendation
Poul-Henning Kamp
phk at phk.freebsd.dk
Sun Dec 19 08:57:59 UTC 2010
In message <28E8C13C-3227-4CD6-BBEA-902F03C81243 at gmail.com>, bownes writes:
One of the big problems with "PC-instruments" is isolation: most of them
havn't any.
If you are going to design one such, remember to isolate the USB
port galvanically from the actual instrument...
--
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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