CC1100-RTY1 datasheet(51/100 Pages) TI1

51 / 100 page

CC1100

SWRS038D

Page 51 of 92

Output Power [dBm]

PATABLE Setting

315 MHz

433 MHz

868 MHz

915 MHz

0x00

-62.0

-57.1

-56.0

0x30

-41.7

-39.0

-33.6

-33.1

0x31

-21.8

-21.7

-21.2

-21.0

0x32

-16.2

-16.1

-16.0

-15.8

0x33

-12.8

-12.7

-12.5

0x34

-10.5

-10.4

-10.5

-10.3

0x35

-8.6

-8.5

-8.7

-8.5

0x36

-7.2

-7.1

-7.4

-7.2

0x37

-5.9

-5.8

-6.2

-6.0

0x38

-4.8

-4.9

-5.3

-5.1

0x39

-3.9

-4.0

-4.5

-4.3

0x3A

-3.2

-3.3

-3.8

-3.7

0x3B

-2.5

-2.7

-3.3

-3.1

0x3C

-2.1

-2.3

-2.8

-2.7

0x3D

-1.7

-1.9

-2.5

-2.3

0x3E

-1.3

-1.6

-2.1

-2.0

0x3F

-1.1

-1.3

-1.9

-1.7

Table 32: PATABLE Settings used together with ASK Shaping and PA Ramping

Assume working in the 433 MHz and using

FSK. The desired output power is -10 dBm.

Figure 24 shows how the PATABLE should

look like in the two cases where no ramping is

used (A) and when PA ramping is being

implemented (B). In case A, the PATABLE

value is taken from Table 30, while in case B,

the values are taken from Table 32.

PATABLE[7] = 0x00

PATABLE[6] = 0x00

PATABLE[5] = 0x00

PATABLE[4] = 0x00

PATABLE[3] = 0x00

PATABLE[2] = 0x00

PATABLE[1] = 0x00

PATABLE[0] = 0x26

FREND0.PA_POWER = 0

PATABLE[7] = 0x00

PATABLE[6] = 0x00

PATABLE[5] = 0x34

PATABLE[4] = 0x33

PATABLE[3] = 0x32

PATABLE[2] = 0x31

PATABLE[1] = 0x30

PATABLE[0] = 0x00

FREND0.PA_POWER = 5

A: Output Power = -10 dBm,

No PA Ramping

B: Output Power = -10 dBm,

PA Ramping

Figure 24: PA Ramping

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