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CC1190: Control Logic for Connecting CC1190 to CC110L

Part Number: CC1190
Other Parts Discussed in Thread: CC110L

In document SWRS089, there's 5 Examples to configure CC1190

PA_EN LNA_EN HGM Mode
0 0 - Power Down
0 1 0 RX Low Gain Mode
0 1 1 RX High Gain Mode
1 0 0 TX Low Gain Mode
1 0 1 TX High Gain Mode

1. Configure all three parameters(PA_EN, LNA_EN, HGM) as 1 is not recommended?

2. Now I had connect CC1190 to CC110L,

    Choose "Power Down", my device will got same performance as just using CC110L?

    How much performance enhancement when I choose "XX Low Gain Mode"?