EFR32MG13 Mighty Gecko Multi-Protocol Wireless SoC Family Data Sheet
Electrical Specifications
4.1.10.4 Sub-GHz RF Receiver Characteristics for 868 MHz Band
Unless otherwise indicated, typical conditions are: T = 25 °C, VREGVDD = AVDD = IOVDD = 3.3 V, DVDD = RFVDD = External PA
Supply. RFVDD and external PA supply paths filtered using ferrites. Crystal frequency = 38.4 MHz. RF center frequency 868 MHz.
Table 4.27. Sub-GHz RF Receiver Characteristics for 868 MHz Band
Parameter
Symbol
Test Condition
Min
863
—
Typ
—
Max
876
—
Unit
MHz
dBm
Tuning frequency range
FRANGE
Max usable input level, 0.1% SAT2k4
BER
Desired is reference 2.4 kbps
GFSK signal1
10
Max usable input level, 0.1% SAT38k4
BER
Desired is reference 38.4 kbps
GFSK signal2
—
—
—
10
—
—
dBm
dBm
dBm
Sensitivity
SENS
Desired is reference 2.4 kbps
GFSK signal1, 0.1% BER
-120.6
-109.5
Desired is reference 38.4 kbps
-105.4
GFSK signal2, 0.1% BER, T ≤ 85
°C
Desired is reference 38.4 kbps
—
—
-105.2
dBm
GFSK signal2, 0.1% BER, T > 85
°C
Desired is reference 500 kbps
GFSK signal3, 0.1% BER
—
—
-96.4
-28.1
-50
—
—
—
—
dBm
dBm
dBm
dB
Level above which
RFSENSETRIG
CW at 868 MHz
RFSENSE will trigger4
Level below which
RFSENSE will not trigger4
RFSENSETHRES CW at 868 MHz
—
Desired is 2.4 kbps GFSK signal1
at 3dB above sensitivity level,
0.1% BER
Adjacent channel selectivity, C/I1
Interferer is CW at ± 1 ×
channel-spacing
44.5
56.9
Desired is 38.4kbps GFSK signal2
at 3dB above sensitivity level,
0.1% BER
35.4
—
43
—
—
—
—
—
dB
dB
dB
dB
dB
Desired is 2.4kbps GFSK signal1
at 3dB above sensitivity level,
0.1% BER
Alternate channel selectivity, C/I2
Interferer is CW at ± 2 ×
channel-spacing
56.8
48.2
50.2
48.7
Desired is 38.4kbps GFSK signal2
at 3dB above sensitivity level,
0.1% BER
—
Desired is 2.4kbps GFSK signal1
at 3dB above sensitivity level,
0.1% BER
Image rejection, Interferer is C/IIMAGE
CW at image frequency
—
Desired is 38.4kbps GFSK signal2
at 3dB above sensitivity level,
0.1% BER
—
Blocking selectivity, 0.1%
BER. Desired is 2.4 kbps
GFSK signal1 at 3 dB above
sensitivity level
C/IBLOCKER
Interferer CW at Desired ± 1 MHz
Interferer CW at Desired ± 2 MHz
—
—
—
72.1
77.5
90.4
—
—
—
dB
dB
dB
Interferer CW at Desired ± 10
MHz
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