SWRS046H – NOVEMBER 2006 – REVISED MARCH 2015
4.4
RF Transmit
All measurements were performed using the two-layer PCB CC1020EMX reference design. See
. The electrical
specifications given for 868 MHz are also applicable for 902 to 928 MHz. T
A
= 25°C, AVDD = DVDD = 3.0 V,
f
C
= 14.7456 MHz if nothing else stated.
PARAMETER
MIN
TYP
MAX
UNIT
CONDITION
The data rate is programmable. See
for details.
NRZ or Manchester encoding can be
used. 153.6 kBaud equals 153.6 kbps
Transmit data rate
0.45
153.6
kBaud
using NRZ coding and 76.8 kbps using
Manchester coding. See
for details.
Minimum data rate for OOK is 2.4 kBaud
in 402 to 470 MHz range
0
108
kHz
108/216 kHz is the maximum specified
Binary FSK
separation at 1.84 MHz reference
frequency
frequency. Larger separations can be
in 804 to 960 MHz range
0
216
kHz
separation
achieved at higher reference
frequencies.
433 MHz
–20 to +10
dBm
Delivered to 50
Ω
single-ended load. The
output power is programmable and
should not be programmed to exceed
Output power
+10/+5 dBm at 433/868 MHz under any
868 MHz
–20 to +5
dBm
operating conditions (refer to
CC1020
Errata Note 003
in the
product
folder). See
for details.
At 2.3 V, +85°C
–4
dB
Output power
At maximum output power
tolerance
At 3.6 V, –40°C
3
dB
2nd harmonic, 433 MHz,
–50
dBc
+10 dBm
Harmonics are measured as EIRP
3rd harmonic, 433 MHz,
–50
dBc
values according to EN 300 220. The
+10 dBm
Harmonics,
antenna (SMAFF-433 and SMAFF-868
radiated CW
2nd harmonic, 868 MHz,
from R.W. Badland) plays a part in
–50
dBc
+5 dBm
attenuating the harmonics.
3rd harmonic, 868 MHz,
–50
dBc
+5 dBm
12.5 kHz channel spacing,
For 12.5 kHz channel spacing ACP is
–46
dBc
433 MHz
measured in a ±4.25 kHz bandwidth at
±12.5 kHz offset. Modulation: 2.4 kBaud
25 kHz channel spacing,
–52
dBc
NRZ PN9 sequence, ±2.025 kHz
433 MHz
Adjacent channel
frequency deviation.
power (GFSK)
For 25 kHz channel spacing ACP is
measured in a ±8.5 kHz bandwidth at
25 kHz channel spacing,
–49
dBc
±25 kHz offset. Modulation: 4.8 kBaud
868 MHz
NRZ PN9 sequence, ±2.475 kHz
frequency deviation.
12.5 kHz channel spacing,
Bandwidth for 99.5% of total average
7.5
kHz
433 MHz
power.
Modulation for 12.5 channel spacing:
25 kHz channel spacing,
Occupied
9.6
kHz
2.4 kBaud NRZ PN9 sequence,
433 MHz
bandwidth
±2.025 kHz frequency deviation.
(99.5%,GFSK)
Modulation for 25 kHz channel spacing:
25 kHz channel spacing,
9.6
kHz
4.8 kBaud NRZ PN9 sequence,
868 MHz
±2.475 kHz frequency deviation.
19.2 kBaud, ±9.9 kHz
Bandwidth where the power envelope of
48
kHz
Modulation
frequency deviation
modulation equals –36 dBm. Spectrum
bandwidth,
analyzer
38.4 kBaud, ±19.8 kHz
868 MHz
106
kHz
RBW = 1 kHz.
frequency deviation
8
Specifications
Copyright © 2006–2015, Texas Instruments Incorporated
Product Folder Links: