[time-nuts] HP 4193A 4815A probe compatibility?

[Poul-Henning Kamp]

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.


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