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8.11 Bluetooth Low Energy - Transmit (TX)

Measured on the CC26x1-P3EM-7XD24-PA24 reference design with Tc = 25 °C, VDDS = 3.0 V, fRF= 2440 MHz with

DC/DC enabled and high power PA connected to VDDS unless otherwise noted.

All measurements are performed at the antenna input with a combined RX and TX path, except for high power PA which is

measured at a dedicated antenna connection. All measurements are performed conducted.

PARAMETER

TEST CONDITIONS

MIN

TYP

MAX UNIT

General Parameters

Max output power,

high power PA

Differential mode, delivered to a single-ended 50 Ω load through a balun

dBm

Output power

programmable range

high power PA

Differential mode, delivered to a single-ended 50 Ω load through a balun

Max output power,

high power PA, 10

dBm configuration(3)

Differential mode, delivered to a single-ended 50 Ω load through a balun

10.5

dBm

Max output power,

high power PA, 10

dBm configuration(3)

Single-ended mode. Measured on CC26x1-P3EM-5XS24, delivered to a single-ended 50 Ω

load through a balun

dBm

Output power

programmable range

high power PA, 10

dBm configuration(3)

Differential mode, delivered to a single-ended 50 Ω load through a balun

Max output power,

regular PA

Differential mode, delivered to a single-ended 50 Ω load through a balun

dBm

Max output power,

regular PA

Single-ended mode. Measured on CC26x1-P3EM-5XS24, delivered to a single-ended 50 Ω

load through a balun

dBm

Output power

programmable range,

regular PA

Differential mode, delivered to a single-ended 50 Ω load through a balun

Spurious emissions and harmonics

Spurious emissions,

high-power PA(1)

f < 1 GHz, outside restricted bands

+20 dBm setting

< -36

dBm

f < 1 GHz, restricted bands FCC

< -55

dBm

f > 1 GHz, including harmonics

-37

dBm

Harmonics,

high-power PA(2)

Second harmonic

-35

dBm

Third harmonic

-42

dBm

Spurious emissions,

high-power PA, 10

dBm configuration(1) (3)

f < 1 GHz, outside restricted bands

+10 dBm setting(3)

< -36

dBm

f < 1 GHz, restricted bands ETSI

< -54

dBm

f < 1 GHz, restricted bands FCC

< -55

dBm

f > 1 GHz, including harmonics

-41

dBm

Harmonics,

high-power PA, 10

dBm configuration(3)

Second harmonic

< -42

dBm

Third harmonic

< -42

dBm

Spurious emissions,

regular PA

f < 1 GHz, outside restricted bands

+5 dBm setting

< –36

dBm

f < 1 GHz, restricted bands ETSI

< –54

dBm

f < 1 GHz, restricted bands FCC

< –55

dBm

f > 1 GHz, including harmonics

< –42

dBm

Harmonics,

regular PA

Second harmonic

< –42

dBm

Third harmonic

< –42

dBm

(1)

To ensure margins for passing FCC band edge requirements at 2483.5 MHz, a lower than maximum output-power setting or less than

100% duty cycle may be used when operating at the upper Bluetooth Low Energy channel(s).

(2)

To ensure margins for passing FCC requirements for harmonic emission, duty cycling may be required. The CC2651P3 LaunchPad

reference design should also be reviewed as the filter provides higher attenuation of harmonics compared to the CC26x1-P3EM-XD24-

PA24 reference design.

(3)

Measured on evaluation board as described in www.ti.com/lit/pdf/swra636.

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CC2651P3

SWRS257 – MARCH 2022

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