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Hi,
When mmWave device is doing the chirping, you can see there's a peak current. (red circle)
The goal is to eliminate or reduce this peak current.
We can't increase capacitor due to the PCB space and hardware design limitation.
Under this restriction, any good approach to eliminate it? or this peak current is inevitable?
We have tried Tx backoff = 26 to see if it can be improved but it's still there:
Hi James,
Since they can't increase capacitor, there is no way to eliminate/reduce this peak current. Peak current that we are observing is not violating maximum current ratings as per the datasheet. PFA the attached image for peak current ratings per voltage rail in BOM optimized mode.
