SI4432的发射功率6DH寄存器bit3应该如何设置
我用的是FIFO模式，GFSK，看到发射功率6DH寄存器bit3的解释没看明白。4432的6dh寄存器bit3
LNA Switch Controller.
This bit determines when internal MOS switches at the LNA input(s) are invoked. When
lna_sw=0, these switches open. When lna_sw=1, these switches are closed in TX mode
and open at all other times. This bit MUST be set for proper operation in any Direct Tie
application
接收的时候应该使用lna，这里说的open和close到底哪个状态对应使用lna，到底是应该置1还是应该清0.
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