CC1021 datasheet(6/94 Pages) TI

6 / 94 page

CC1021

SWRS045C

Page 6 of 87

4.1.

RF Transmit Section

Parameter

Min

Typ

Max

Unit

Condition / Note

Transmit data rate

0.45

153.6

kBaud

The data rate is programmable.

See section 10 on page 27 for

details.

NRZ or Manchester encoding can

be used. 153.6 kBaud equals

153.6 kbps using NRZ coding

and 76.8 kbps using Manchester

coding. See section 9.2 on page

25 for details

Minimum data rate for OOK is 2.4

kBaud

Binary FSK frequency separation

108

216

kHz

in 402 - 470 MHz range

in 804 - 960 MHz range

108/216 kHz is the maximum

specified separation at 1.84 MHz

reference frequency. Larger

separations can be achieved at

higher reference frequencies.

Output power

433 MHz

868 MHz

-20 to +10

-20 to +5

dBm

Delivered to 50

Ω single-ended

load. The output power is

programmable and should not be

programmed to exceed +10/+5

dBm at 433/868 MHz under any

operating conditions. See section

14 on page 46 for details.

Output power tolerance

-4

At maximum output power

At 2.3 V, +85

At 3.6 V, -40

Harmonics, radiated CW

nd harmonic, 433 MHz, +10 dBm

rd harmonic, 433 MHz, +10 dBm

nd harmonic, 868 MHz, +5 dBm

rd harmonic, 868 MHz, +5 dBm

-50

dBc

Harmonics are measured as

EIRP values according to EN 300

220. The antenna (SMAFF-433

and SMAFF-868 from R.W.

Badland) plays a part in

attenuating the harmonics.

Adjacent channel power (GFSK)

433 MHz

868 MHz

-46

-42

dBc

ACP is measured in a 100 kHz

bandwidth at ±100 kHz offset.

Modulation: 19.2 kBaud NRZ

PN9 sequence, ±19.8 kHz

frequency deviation.

Occupied bandwidth (99.5%,GFSK)

433 MHz

868 MHz

kHz

Bandwidth for 99.5% of total

average power.

Modulation: 19.2 kBaud NRZ

PN9 sequence, ±19.8 kHz

frequency deviation.

Modulation bandwidth, 868 MHz

19.2 kBaud, ±9.9 kHz frequency

deviation

38.4 kBaud, ±19.8 kHz frequency

deviation

106

kHz

Bandwidth where the power

envelope of modulation equals

–36 dBm. Spectrum analyzer

RBW = 1 kHz.

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