EFR32MG13 Mighty Gecko Multi-Protocol Wireless SoC Family Data Sheet
Electrical Specifications
4.1.10.12 Sub-GHz RF Receiver Characteristics for 169 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 169 MHz.
Table 4.35. Sub-GHz RF Receiver Characteristics for 169 MHz Band
Parameter
Symbol
Test Condition
Min
169
—
Typ
—
Max
170
—
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
-124
Desired is reference 38.4 kbps
-112.2
-108
GFSK signal2, 0.1% BER, T ≤ 85
°C
Desired is reference 38.4 kbps
GFSK signal2, 0.1% BER, T > 85
°C
—
—
—
—
-99.2
—
-107
-96
dBm
dBm
dBm
Desired is reference 500 kbps
GFSK signal3, 0.1% BER, T ≤ 85
°C
Desired is reference 500 kbps
-95
GFSK signal3, 0.1% BER, T > 85
°C
Level above which
RFSENSETRIG
CW at 169 MHz
—
—
—
-28.1
-50
—
—
—
dBm
dBm
dB
RFSENSE will trigger4
Level below which
RFSENSE will not trigger4
RFSENSETHRES CW at 169 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 x
channel-spacing
64.8
Desired is 38.4kbps GFSK signal1
at 3dB above sensitivity level,
0.1% BER
43.3
—
51.4
67.4
60.6
47.1
47.1
—
—
—
—
—
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 x
channel-spacing
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
—
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