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EFR32BG12P232F Datasheet, PDF (70/181 Pages) Silicon Laboratories – EFR32BG12 Blue Gecko Bluetooth ®Low Energy SoC Family Data Sheet | |||
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EFR32BG12 Blue Gecko Bluetooth ®Low Energy 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 = PAVDD.
RFVDD and PAVDD path is filtered using ferrites. Crystal frequency=38.4 MHz. RF center frequency 315 MHz.
Table 4.29. Sub-GHz RF Receiver Characteristics for 315 MHz Band
Parameter
Symbol
Test Condition
Min
Tuning frequency range
FRANGE
195
Max usable input level, 0.1% SAT2k4
Desired is reference 2.4 kbps
â
BER
GFSK signal1
Max usable input level, 0.1% SAT38k4
Desired is reference 38.4 kbps
â
BER
GFSK signal2
Sensitivity
SENS
Desired is reference 2.4 kbps
â
GFSK signal1, 0.1% BER
Desired is reference 38.4 kbps
â
GFSK signal2, 0.1% BER
Desired is reference 500 kbps
â
GFSK signal3, 0.1% BER
Level above which
RFSENSETRIG CW at 315 MHz
â
RFSENSE will trigger4
Level below which
RFSENSETHRES CW at 315 MHz
â
RFSENSE will not trigger4
Adjacent channel selectivity, C/I1
Interferer is CW at ± 1 Ã
channel-spacing
Desired is 2.4 kbps GFSK signal1
54.1
at 3dB above sensitivity level,
0.1% BER
Desired is 38.4kbps GFSK signal2
â
at 3dB above sensitivity level,
0.1% BER
Alternate channel selectivity, C/I2
Interferer is CW at ± 2 Ã
channel-spacing
Desired is 2.4kbps GFSK signal1
â
at 3dB above sensitivity level,
0.1% BER
Desired is 38.4kbps GFSK signal2
â
at 3dB above sensitivity level2,
0.1% BER
Image rejection, Interferer is C/IIMAGE
CW at image frequency
Desired is 2.4kbps GFSK signal1
â
at 3dB above sensitivity level,
0.1% BER
Desired is 38.4kbps GFSK signal2
â
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
â
Interferer CW at Desired ± 2 MHz
â
Interferer CW at Desired ± 10
72.6
MHz
Upper limit of input power RSSIMAX
â
range over which RSSI reso-
lution is maintained
Typ
â
10
10
-123.2
-111.4
-98.8
-28.1
-50
63.6
Max
358
â
â
-120.7
-108.6
-95.5
â
â
â
Unit
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dB
49.9
â
dB
64.2
â
dB
56.2
â
dB
53
â
dB
51.4
â
dB
75
â
dB
76.5
â
dB
91.9
â
dB
â
5
dBm
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