[time-nuts] OT: Power level reference

[J. Forster]

The 431A and 432A thermistor can be accurately calibrated with an external
precision DC supply. HP made a special box, the 8477A for exactly the
purpose.

Best,
-John

================


> We all have our various highly accurate frequency and perhaps time
> references. Is there a relatively simple and inexpensive method of
> making an accurate RF power level reference? If so, then what do we
> calibrate it with, not already having such an accurate reference?
>
> One possibility that comes to mind is an HP 436A power meter. These
> are abundant and usually have no sensor probes (which are expensive).
> They also have a built in 50MHz, 0dBm reference. However, without more
> fancy test equipment, I have no way to calibrate the reference, or
> even verify that it is accurate.
>
> Joe Gray
> KA5ZEC