On 09/10/2018 08:27 PM, Ron Economos via USRP-users wrote:
No change with 3.13.0. Haven't tried 3.14, since it's not released yet.
Ron
Is this effect independent of baseband magnitude?
On 09/10/2018 05:21 PM, Marcus D. Leech via USRP-users wrote:
On 09/10/2018 08:17 PM, Ron Economos via USRP-users wrote:
I had previously noted that the B210 TX power had increased by about
5 dB going from UHD 3.11.1.0 to UHD 3.12.0. Today, I was doing some
two tone IMD testing and noticed that the IMD performance has
degraded *severely* from UHD 3.11.1.0 to UHD 3.12.0.
Here are the spectrum analyzer plots at roughly the same power
level. The 3rd order two tone IMD level changes from almost -50 dB
in 3.11.0.1 to a hideous -20 dB with 3.12.0. Something is terribly
wrong.
I know that there had been some "futzing" with scaling in the B2xx at
around that time. What about 3.13 or 3.14?
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