CC1150-RTR1 datasheet(7/67 Pages) TI

7 / 67 page

CC1150

SWRS037A

Page 7 of 60

4.2

RF Transmit Section

Tc = 25

°C, VDD = 3.0 V, if nothing else stated. All measurement results are obtained using the CC1150EM reference

design ([1] and [2]).

Parameter

Min

Typ

Max

Unit

Condition/Note

Differential load

impedance

315 MHz

433 MHz

868/915 MHz

122 + j31

116 + j41

86.5 + j43

Ω

Differential impedance as seen from the RF-port (RF_P and

RF_N) towards the antenna. Follow the CC1150EM reference

design ([1] and [2]) available from the TI website.

Output power,

highest setting

+10

dBm

Output power is programmable, and full range is available across

all frequency bands. Output power may be restricted by regulatory

limits. See also Application Note AN039 [4] and Design Note

DN006 [5].

Delivered to a 50

Ω single-ended load via CC1150 EM reference

design ([1] and [2]) RF matching network. Maximum output power

can be increased 1-2 dB by using wire-wound inductors instead of

multilayer inductors in the balun and filter circuit for the 868/915

MHz band, see more in DN017 [6].

Output power,

lowest setting

–30

dBm

Output power is programmable, and full range is available across

all frequency bands.

Delivered to a 50

Ω single-ended load via CC1150 EM reference

design ([1] and [2]) RF matching network

Spurious emissions

and harmonics,

433/868 MHz

–36

–54

–30

dBm

25 MHz - 1 GHz

47-74, 87.5 - 118, 174 - 230, 470 - 862 MHz

Otherwise above 1 GHz

Note that close-in spurs vary with centre frequency and limits the

frequencies and output power level which the CC1150 can operate

at without violating regulatory restrictions, see more in AN039 [4].

See also section 7.5 for information regarding additional filtering.

Spurious emissions,

315/915 MHz

–49.2

–41.2

dBm

EIRP

dBm

EIRP

<200

µV/m at 3 m below 960 MHz.

<500

µV/m at 3 m above 960 MHz

Harmonics 315 MHz

–20

–41.2

dBc

dBm

nd, 3rd and 4th harmonic when the output power is maximum 6

mV/m at 3 m (-19.6 dBm EIRP)

th harmonic

Harmonics 915 MHz

–20

–41.2

dBc

dBm

nd harmonic with +10 dBm output power

rd, 4th and 5th harmonic

TX latency

Bits

Serial operation. Time from sampling the data on the transmitter

data input pin until it is observed on the RF output ports.

Table 5: RF Transmit Parameters

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