EFR32MG13 Mighty Gecko Multi-Protocol Wireless SoC Family Data Sheet
Electrical Specifications
4.1.10.2 Sub-GHz RF Receiver Characteristics for 915 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 915 MHz.
Table 4.25. Sub-GHz RF Receiver Characteristics for 915 MHz Band
Parameter
Symbol
Test Condition
Min
902
—
Typ
—
Max
930
—
Unit
MHz
dBm
Tuning frequency range
FRANGE
Max usable input level, 0.1% SAT500K
BER
Desired is reference 500 kbps
GFSK signal1
10
Sensitivity
SENS
Desired is reference 4.8 kbps
—
—
-105.2
—
-100.7
-99.5
dBm
dBm
OOK signal2, 20% PER, T ≤ 85 °C
Desired is reference 4.8 kbps
OOK signal2, 20% PER, T > 85
°C
Desired is reference 600 bps
GFSK signal3, 0.1% BER
—
—
-126.2
-108.2
—
dBm
dBm
Desired is reference 50 kbps
-104.2
GFSK signal4, 0.1% BER, T ≤ 85
°C
Desired is reference 50 kbps
GFSK signal4, 0.1% BER, T > 85
°C
—
—
—
—
—
—
—
—
—
-105.1
—
-103.1
-101.5
-101.3
-93.2
-93.1
-91
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
Desired is reference 100 kbps
GFSK signal5, 0.1% BER, T ≤ 85
°C
Desired is reference 100 kbps
GFSK signal5, 0.1% BER, T > 85
°C
Desired is reference 500 kbps
GFSK signal1, 0.1% BER, T ≤ 85
°C
-98.2
—
Desired is reference 500 kbps
GFSK signal1, 0.1% BER, T > 85
°C
Desired is reference 400 kbps
4GFSK signal6, 1% PER, T ≤ 85
°C
-95.2
—
Desired is reference 400 kbps
4GFSK signal6, 1% PER, T > 85
°C
-91
Desired is reference O-QPSK
-100.1
—
DSSS signal7, 1% PER, Payload
length is 20 octets
Level above which
RFSENSETRIG
CW at 915 MHz
—
—
-28.1
-50
—
—
dBm
dBm
RFSENSE will trigger8
Level below which
RFSENSE will not trigger8
RFSENSETHRES CW at 915 MHz
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