I have performance issue about AD9361. (sampling rate is 56MHz)
When I program the AD9361 at TDD mode, I use VSA to measure the RF EVM value. I found that 1st symbol EVM is about 3%, and other symbols EVM are about 1%. 1st symbol always get @@poor EVM
Is it possible that I miss some RF calculation? or is there any TDD parameter didn't program well?