[time-nuts] HP 4193A 4815A probe compatibility?
Poul-Henning Kamp
phk at phk.freebsd.dk
Fri Oct 18 06:59:41 UTC 2013
In message <5045fb99932bb62b54dea2c4ec301ee0 at sonic.net>, Richard Karlquist writes:
>These days, you can buy a decent power detector chip from Analog Devices
>(possibly on an evaluation board) and maybe you don't need a power
>meter.
I've played with one of those, and if you want to do anything but
steer the amplification of a cell-phone tower, you need to build a
two-dimensional calibration table to get usable precision.
--
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.
More information about the Time-nuts_lists.febo.com
mailing list