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IWR1443: idle time of profile setting in MIMO mode

Part Number: IWR1443

Hi.

I'd like to use Tx1 and Tx2 of MIMO mode with IWR1443.
Please tell me about an idle Time of chirp setting profile of mmWaveStudio.

Example
Condition is bellow.
A duration of Tx1's chirp is 10us
A duration of Tx2's chirp is 10us
The duration of between tured off time of previous chirp and ramp start of next chirp is 5us.
MIMO pattern's is "Tx1'chirp, Tx2'chirp, Tx1'chirp, Tx2'chirp, Tx1'chirp,....".
(TDM=MIMO)

Q.
In this case.
Which is correct, "an idle time of Tx1's profile 5us" or "an idle time of Tx1's profile 15us"?

Point is that I have to add other chirp' duration to idle time in MIMO mode or not.

Just definition of idle time talk.
idle time of profile means between turned off time of any preivious Tx1 chirp and ramp start of Tx1 chirp time.
or
idle time of profile means between turned off time of any preivious chirp (in this case, of Tx2) and ramp start of Tx1 chirp time.