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EFR32FG12P432F Datasheet, PDF (59/183 Pages) Silicon Laboratories – EFR32FG12 Flex Gecko Proprietary Protocol SoC Family Data Sheet | |||
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EFR32FG12 Flex Gecko Proprietary Protocol SoC Family Data Sheet
Electrical Specifications
4.1.10.6 Sub-GHz RF Receiver Characteristics for 490 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 490 MHz.
Table 4.25. Sub-GHz RF Receiver Characteristics for 490 MHz Band
Parameter
Symbol
Test Condition
Min
Tuning frequency range
FRANGE
470
Max usable input level, 0.1% SAT2k4
Desired is reference 2.4 kbps
â
BER
GFSK signal3
Max usable input level, 0.1% SAT38k4
Desired is reference 38.4 kbps
â
BER
GFSK signal4
Sensitivity
SENS
Desired is reference 2.4 kbps
â
GFSK signal3, 0.1% BER
Desired is reference 38.4 kbps
â
GFSK signal4, 0.1% BER
Desired is reference 10 kbps
â
GFSK signal2, 0.1% BER
Desired is reference 100 kbps
â
GFSK signal1, 0.1% BER
Level above which
RFSENSETRIG CW at 490 MHz
â
RFSENSE will trigger5
Level below which
RFSENSETHRES CW at 490 MHz
â
RFSENSE will not trigger5
Adjacent channel selectivity, C/I1
Interferer is CW at ± 1 Ã
channel-spacing
Desired is 2.4 kbps GFSK signal3
48
at 3dB above sensitivity level,
0.1% BER
Desired is 38.4kbps GFSK signal4
38.3
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 signal3
â
at 3dB above sensitivity level,
0.1% BER
Desired is 38.4kbps GFSK signal4
â
at 3dB above sensitivity level,
0.1% BER
Image rejection, Interferer is C/IIMAGE
CW at image frequency
Desired is 2.4kbps GFSK signal3
â
at 3dB above sensitivity level,
0.1% BER
Desired is 38.4kbps GFSK signal4
â
at 3dB above sensitivity level,
0.1% BER
Blocking selectivity, 0.1%
C/IBLOCKER
Interferer CW at Desired ± 1 MHz
â
BER. Desired is 2.4 kbps
GFSK signal3 at 3 dB above
Interferer CW at Desired ± 2 MHz
â
sensitivity level
Interferer CW at Desired ± 10
â
MHz
Typ
â
10
10
-122.2
-111.4
-116.8
-107.3
-28.1
-50
60.3
Max
510
â
â
â
-108.9
-113.9
-104.7
â
â
â
Unit
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dB
45.6
â
dB
60.4
â
dB
52.6
â
dB
56.5
â
dB
54.1
â
dB
73.9
â
dB
75.4
â
dB
90.2
â
dB
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