Hey guys, I’m trying to use my Lime without an external LNA so I’d be trying to max out the internal LNA. What’s the max value that I would be able to use for each of these gains and what would you guys recommend as values?
Just my non technical method:
One thing I have noticed is that the TIA gain has a huge effect on noise and intermod. I try to keep it at the minimum.
I advance the LNA gain until the noise floor starts to rise and then use the PGA to get the best signal to noise.
I go back and forth between these but usually it was best at first adjustment.
I use SDRangel to look at the signal while using the manual adjustments.
Awesome, that’s great advice. I’ll check out that software tomorrow. Thanks Axemurderer.
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