Can AWR6843AOP operate in a CW mode? Can one set the PLL to a fix frequency (e.g. 60Ghz), use the ADC to sample and read out the both I/Q channels BEFORE the IF filter, which probaly would cut off the dc-offset (phase) of the received reflected wave at the same frequency? The application would be a distance measurement for an immobile target (e.g. short end in a waveguide with adjustable length).