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CC1150-RTR1 Datasheet(PDF) 36 Page - Texas Instruments

Part # CC1150-RTR1
Description  Low Power Sub-1 GHz RF Transmitter
PDF  67 Pages
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Manufacturer  TI [Texas Instruments]
Direct Link  http://www.ti.com
Logo TI - Texas Instruments

CC1150-RTR1 Datasheet(HTML) 36 Page - Texas Instruments

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CC1150
SWRS037A
Page 36 of 60
315 MHz
433 MHz
868 MHz
915 MHz
Output
power
[dBm]
Setting
Current
consumption,
typ. [mA]
Setting
Current
consumption,
typ. [mA]
Setting
Current
consumption,
typ. [mA]
Setting
Current
consumption,
typ. [mA]
-30
0x12
9.9
0x03
10.8
0x03
11.2
0x03
11.1
-20
0x0E
10.4
0x0E
11.4
0x0C
11.7
0x0F
11.7
-10
0x26
12.5
0x26
13.3
0x26
13.7
0x34
13.6
-5
0x57
12.2
0x57
12.9
0x57
13.3
0x56
13.3
0
0x60
14.1
0x60
14.6
0x60
15.5
0x50
15.2
3
0x8B
15.8
0x8A
16.5
0x8A
17.4
0x89
17.4
7
0xCC
21.4
0xC8
23.0
0xCC
24.4
0xC8
24.6
10
0xC4
25.6
0xC2
26.1
0xC3
29.3
0xC0
29.3
Table 22: Optimum PATABLE Settings for Various Output Power Levels and Frequency Bands
315 MHz
433 MHz
868 MHz
915 MHz
Default
power
setting
Output
power
[dBm]
Current
consumption,
typ. [mA]
Output
power
[dBm]
Current
consumption,
typ. [mA]
Output
power
[dBm]
Current
consumption,
typ. [mA]
Output
power
[dBm]
Current
consumption,
typ. [mA]
0xC6
9.3
24.4
8.1
23.9
8.9
27.3
7.7
25.5
Table 23: Output Power and Current Consumption for Default PATABLE Setting
21.1
Shaping and PA Ramping
With ASK modulation, up to eight power
settings are used for shaping. The modulator
contains a counter that counts up when
transmitting a one and down when transmitting
a zero. The counter counts at a rate equal to 8
times the symbol rate. The counter saturates
at FREND0.PA_POWER and 0 respectively.
This counter value is used as an index for a
lookup in the power table. Thus, in order to
utilize the whole table, FREND0.PA_POWER
should be 7 when ASK is active. The shaping
of the ASK signal is dependent on the
configuration of the PATABLE. Figure 22
shows some examples of ASK shaping. Note
that the OOK/ASK pulse shaping feature on
the
CC1150 is only supported for output power
levels below -1 dBm.
1
1
0
00
10
Bit Sequence
1
FREND0.PA_POWER = 3
FREND0.PA_POWER = 7
Time
PATABLE[0]
PATABLE[1]
PATABLE[2]
PATABLE[3]
PATABLE[4]
PATABLE[5]
PATABLE[6]
PATABLE[7]
Output Power
Figure 22: Shaping of ASK Signal



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