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IWR6843ISK: Question about IWR6843ISK schematic

Part Number: IWR6843ISK

Hi TI Team,

I want to ask a question about the value of resistor R85 and R92 in IWR6843ISK schematic.

R85=12.1k

R92=48.7k

Could I change other resistors to replace these two resistors because these value of resistor are hard to find? 

I guess the resistors are for dividing voltage. I think I need to meet the rule of R85/R92=12.1/48.7=0.248. So if I choose the R85 equal to 1k ohm. 4k ohm can be chosen on R92.

Is it right?

Look forward to your response,

Lukas