On 2022-01-14 17:35, Paul Atreides wrote:
Using a B210 at f_c of the N321. TX LO OUT0 is plugged into RX2 of
the B210
You might want to put an attenuator inline, since the LO output is a
couple of dBm, which is
"loud as a heavy metal concert" from the perspective of a receiver input.
If the splitter isn't enabled in this test, then what you're seeing is
the leakage through the RF
switch that enables the splitter, which means that once the splitter
is turned on, the
signal will be even louder...
image.png
On Fri, Jan 14, 2022 at 5:32 PM Marcus D. Leech
<patchvonbr...@gmail.com> wrote:
On 2022-01-14 17:30, Rob Kossler wrote:
These thare the UHD commands. I don't know how these translate to
gnuradio.
% set both LO sources to use external
set_tx_lo_source(“external”, “lo1”, 0)
set_tx_lo_source(“external”, “lo1”, 1)
% export the internal LO to the 1:4 splitter
set_tx_lo_export_enabled(true, “lo1”, 0)
% enable the 1:4 splitter output port
get_device()->get_tree()->access<bool>("mboards/0/dboards/A/tx_frontends/0/los/lo1/lo_distribution/LO_OUT_0/export").set(true)
I don't think the current GR code has support for controlling the
splitter, so a "code snippet" would likely be required.
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