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CC1070-RTR1 データシート(PDF) 25 Page - Texas Instruments

部品番号 CC1070-RTR1
部品情報  Single Chip Low Power RF Transmitter for Narrowband Systems
PDF  57 Pages
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メーカー  TI2 [Texas Instruments]
ホームページ  https://www.ti.com
Logo TI2 - Texas Instruments

CC1070-RTR1 データシート(HTML) 25 Page - Texas Instruments

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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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