EFR32MG13 Mighty Gecko Multi-Protocol Wireless SoC Family Data Sheet
Electrical Specifications
4.1.10.10 Sub-GHz RF Receiver Characteristics for 315 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 315 MHz.
Table 4.33. Sub-GHz RF Receiver Characteristics for 315 MHz Band
Parameter
Symbol
Test Condition
Min
195
—
Typ
—
Max
358
—
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
Sensitivity
SENS
Desired is reference 2.4 kbps
-123.2
-120.7
GFSK signal1, 0.1% BER, T ≤ 85
°C
Desired is reference 2.4 kbps
GFSK signal1, 0.1% BER, T > 85
°C
—
—
—
—
—
—
-111.4
—
-120
-108.6
-107.9
-95.5
dBm
dBm
dBm
dBm
dBm
Desired is reference 38.4 kbps
GFSK signal2, 0.1% BER, T ≤ 85
°C
Desired is reference 38.4 kbps
GFSK signal2, 0.1% BER, T > 85
°C
Desired is reference 500 kbps
GFSK signal3, 0.1% BER, T ≤ 85
°C
-98.8
—
Desired is reference 500 kbps
-94.5
GFSK signal3, 0.1% BER, T > 85
°C
Level above which
RFSENSETRIG
CW at 315 MHz
—
—
-28.1
-50
—
—
—
dBm
dBm
dB
RFSENSE will trigger4
Level below which
RFSENSE will not trigger4
RFSENSETHRES CW at 315 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
54.1
63.6
Desired is 38.4kbps GFSK signal2
at 3dB above sensitivity level,
0.1% BER
—
—
—
49.9
64.2
56.2
—
—
—
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
Desired is 38.4kbps GFSK signal2
at 3dB above sensitivity level2,
0.1% BER
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