CC3235MODASF datasheet(41/100 Pages) TI1

41 / 100 page

TX power level setting

19.00

17.00

15.00

13.00

11.00

9.00

7.00

5.00

3.00

1.00

280.00

264.40

249.00

233.30

218.00

202.00

186.70

171.00

155.60

140.00

1 DSSS

Color by

TX Power (dBm)

IBAT (VBAT @ 3.6 V)

CC3235MODAS, CC3235MODASF

www.ti.com

SWRS233 – OCTOBER 2019

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Product Folder Links: CC3235MODAS CC3235MODASF

Specifications

(1)

The back-off range is between -6 dB to +6 dB in 0.25dB increments.

(2)

FCC, IC/ISED, ETSI/CE, SRRC, and MIC are supported.

(3)

Back-off rates are grouped into 11b rates, high modulation rates (MCS7, 54 OFDM and 48 OFDM), and lower modulation rates (all other

rates).

(4)

Please also note that there will be a delta between the CC3135MOD and CC3135 IC's TX power levels.

5.6

TX Power Control for 2.4 GHz Band

The CC3235MODAS has several options for modifying the output power of the device when required. For

the 2.4 GHz band it is possible to lower the overall output power at a global level using the global TX

power level setting. In addition, the 2.4 GHz band allows the user to enter additional back-offs (1), per

channel, region (2) and modulation rates (3) (4), via Image creator (see the Uniflash with Image Creator User

Guide for more details).

Figure 5-1, Figure 5-2, and Figure 5-3 show TX Power and IBAT versus TX power level settings for the

CC3235MODS module at modulations of 1 DSSS, 6 OFDM, and 54 OFDM, respectively. For the

CC3235MODSF module, the IBAT current has an increase of approximately 10 mA to 15 mA depending

on the transmitted rate. The TX power level will remain the same.

In Figure 5-1, the area enclosed in the circle represents a significant reduction in current during transition

from TX power level 3 to level 4. In the case of lower range requirements (14-dBm output power), TI

recommends using TX power level 4 to reduce the current.

Figure 5-1. TX Power and IBAT vs TX Power Level Settings (1 DSSS)

CC3235MODASF датащи(PDF) 41 Page - Texas Instruments

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