Request for help with PA power measurements

Harald Welte laforge at
Sat Jun 26 10:04:59 UTC 2010

Hi Steve,

On Mon, May 10, 2010 at 05:59:25PM +0200, Steve Markgraf wrote:
> >Similar to the VCTCXO measurements, we also need to do RF-PA output
> >power measurements.  The Racal 6103 can measure the power level of
> >bursts we transmit.
> Attached to this mail you'll find my measurements in GSM900, ARFCN 33.

Thanks again. After doing AGC, I'm right now finally working on the uplink
power control code and will incorporate your table in one or the other form.

> I've done some short tests for DCS1800 and higher ARFCNs in GSM900
> as well, so far the offsets to my measurements seem to be linear, so
> we can most likely use a correction value and don't need to store
> everything twice.

This sounds great.

> I'll investigate in this later...

Did you ever get around doing this?  I'd be more than interested in some
of those values.

- Harald Welte <laforge at> 
"Privacy in residential applications is a desirable marketing option."
                                                  (ETSI EN 300 175-7 Ch. A6)

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