Hi John,
On 01/20/2013 10:36 PM, John Miles wrote:
If you have a TimePod or 3120A you may be able to capture an LPro warmup
cycle by selecting 500 Hz measurement bandwidth. You will still get drift
warnings during the lock-search process but the data will probably be OK as
long as the swing isn't too radical.
In this case, the LPro swept about +/- 150 Hz around 10 MHz before locking
up at about 120 seconds:
Zooming into the frequency-difference plot reveals that it continued to
settle down for the next few minutes:
Quite useful :)
You could get the same data from a counter, of course, just not at 1000
sample points per second. :)
Naturally! :)
(20+ MB .TIM file at http://www.miles.io/lpro_coldstart.zip for those
interested)
Handy. Thanks :)
The main reason I have been asking have been to establish measurements
to be done in order to figure out the failure mode(s).
Cheers,
Magnus
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