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CC1070-RTY1 数据表(PDF) 25 Page - Texas Instruments |
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CC1070-RTY1 数据表(HTML) 25 Page - Texas Instruments |
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25 / 57 page ![]() CC1070 SWRS043A Page 25 of 54 12.3 Output Power Programming The RF output power from the device is programmable by the 8-bit PA_POWER register. Figure 12 and Figure 13 shows the output power and total current consumption as a function of the PA_POWER register setting. It is more efficient in terms of current consumption to use either the lower or upper 4-bits in the register to control the power, as shown in the figures. However, the output power can be controlled in finer steps using all the available bits in the PA_POWER register. -30.0 -25.0 -20.0 -15.0 -10.0 -5.0 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 0 1 2 3 4 5 6 7 8 9 0A 0B 0C 0D 0E 0F 50 60 70 80 90 A0 B0 C0 D0 E0 F0 FF PA_POWER [hex] Output Pow er Current Consumption Figure 12. Output power settings and typical current consumption, 433 MHz -30.0 -25.0 -20.0 -15.0 -10.0 -5.0 0.0 5.0 10.0 15.0 20.0 25.0 30.0 35.0 0 1 2 3 4 5 6 7 8 9 0A 0B 0C 0D 0E 0F 50 60 70 80 90 A0 B0 C0 D0 E0 F0 FF PA_POWER [hex] Output Pow er Current Consumption Figure 13. Output power settings and typical current consumption, 868 MHz |
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