EFR32BG12P232F Datasheet, PDF (59/181 Pages) Silicon Laboratories – EFR32BG12 Blue Gecko Bluetooth ®Low Energy SoC Family Data Sheet

EFR32BG12 Blue Gecko Bluetooth ^®Low Energy 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 = PAVDD.
RFVDD and PAVDD path is filtered using ferrites. Crystal frequency=38.4 MHz. RF center frequency 868 MHz.
Table 4.23. Sub-GHz RF Receiver Characteristics for 868 MHz Band
Parameter
Symbol
Test Condition
Min
Tuning frequency range
F_RANGE
863
Max usable input level, 0.1% SAT_2k4
Desired is reference 2.4 kbps
—
BER
GFSK signal¹
Max usable input level, 0.1% SAT_38k4
Desired is reference 38.4 kbps
—
BER
GFSK signal²
Sensitivity
SENS
Desired is reference 2.4 kbps
—
GFSK signal¹, 0.1% BER
Desired is reference 38.4 kbps
—
GFSK signal², 0.1% BER
Desired is reference 500 kbps
—
GFSK signal³, 0.1% BER
Desired is reference BPSK sig-
—
nal⁴, 1% PER
Level above which
RFSENSE_TRIG CW at 868 MHz
—
RFSENSE will trigger⁵
Level below which
RFSENSE_THRES CW at 868 MHz
—
RFSENSE will not trigger⁵
Adjacent channel selectivity, C/I₁
Interferer is CW at ± 1 ×
channel-spacing
Desired is 2.4 kbps GFSK signal¹
44.5
at 3dB above sensitivity level,
0.1% BER
Desired is 38.4kbps GFSK signal²
35.4
at 3dB above sensitivity level,
0.1% BER
Alternate channel selectivity, C/I₂
Interferer is CW at ± 2 ×
channel-spacing
Desired is 2.4kbps GFSK signal¹
—
at 3dB above sensitivity level,
0.1% BER
Desired is 38.4kbps GFSK signal²
—
at 3dB above sensitivity level,
0.1% BER
Image rejection, Interferer is C/I_IMAGE
CW at image frequency
Desired is 2.4kbps GFSK signal¹
—
at 3dB above sensitivity level,
0.1% BER
Desired is 38.4kbps GFSK signal²
—
at 3dB above sensitivity level,
0.1% BER
Blocking selectivity, 0.1%
C/I_BLOCKER
Interferer CW at Desired ± 1 MHz
—
BER. Desired is 2.4 kbps
GFSK signal¹ at 3 dB above
Interferer CW at Desired ± 2 MHz
—
sensitivity level
Interferer CW at Desired ± 10
—
MHz
Typ
—
10
10
-120.6
-109.5
-96.4
-110.6
-28.1
-50
56.9
Max
876
—
—
—
-105.4
—
—
—
—
—
Unit
MHz
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dB
43
—
dB
56.8
—
dB
48.2
—
dB
50.2
—
dB
48.7
—
dB
72.1
—
dB
77.5
—
dB
90.4
—
dB
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