On Mon, Aug 26, 2024 at 10:25 AM Marcus D. Leech <patchvonbr...@gmail.com> wrote:
> On 26/08/2024 07:40, Olo via USRP-users wrote: > > > > 1. *TwinRX Channel Configuration:* Is it feasible to use the second > channel on the second TwinRX to receive on a static frequency while the > first channel sweeps, and vice versa, can the second channel on the first > TwinRX sweep a portion of the spectrum while the first channel remains on a > static frequency? > > > The TwinRX cards have independent LOs on each channel, so, in principle, > each channel can be doing something different, > on different frequencies. > Note that I don't think this issue ever got resolved: https://lists.ettus.com/empathy/thread/O3A27BGE4ZO3MXQRTBYYDSXBBUISLHO7 So while it works, changing one channel causes some schmutz on the other channel during the retune. Timed commands with some type of blank-out period should be used if you want to get rid of those artifacts. Also note that large signals on one channel will leak into the other at baseband, I believe. I think it's just the nature of the 2-channel design using the single ADC and everything being so close. Brian
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