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IWR6843ISK: Data Capture and TX settings

Part Number: IWR6843ISK
Other Parts Discussed in Thread: DCA1000EVM,

Hi everyone,

I am currently working with the DCA1000EVM and the IWR6843ISK. I want to acquire raw data from the board. Everything is working fine, but im wondering how the TX is working.

When i capture raw data, i get 4194304 bytes of data. I set the ADC Mode to 16 bit. So i need 4 byte for one sample, got 256 samples per chirp, 128 chirp loops on 8 frames. If i divide the number of bytes by all those numbers, i result in 4. This should than be the number of RX ADC channels. Now i am wondering, if i activate all 3 TX on the board, i get the same number of bytes. Shouldnt that be 12,582,912 bytes if the TX are "serialized"? Or do they just send the same signal in paralell?

I need 12 virtual antennas for my project and now i am not sure if i can use the tx channels independently from each other

best regards