When switching TX channel of ADF5901, We find that the output frequency will jump and is not a stable value,and only happens when you switch TX channel.
Test chirp signals as shown in the figure below.When switching TX, we only configured DB6 and DB7 of registers R0
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Hi, I am thinking this is a measurement quirk being picked up when the Tx is enabled. The Tx does not get enabled right away, it takes around 100ns to each full power and the analyzer could picking this…
Hi,
Yes you are correct.
These glitches are a result of some expected VCO pulling that occurs when switching the Tx off/on, we give a spec for it in the VCO section of the DS spec table.
VCO pulling can…
