On 2025-05-24 09:48, Nikos Balkanas wrote:
Hello,
I was reading the 2016 paper by Ibrahim & Galal (ETRI journal 38, 3,
2016) about tuning hops.
The authors present a tuning algorithm with a sequence of none-manual
and manual-manual tunings. Are their results still valid after 10 yrs
or is there a faster algo?
Is there a way to detect the state of the PLL during tuning?
What are the frequency limits of the SBX-120 LO?
TIA
Nikos
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There's an "lo_locked" sensor on many of the RF daughterboards:
https://files.ettus.com/manual/page_general.html#general_tuning_dsp_sign
The SBX uses the ADF4350 PLL synthesizer, so the LO limits would be
dictated by that chip, and the capabilities of the mixer chip, the ADL5380.
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