EFR32FG12 Datasheet, PDF (70/183 Pages) –

EFR32FG12 Flex Gecko Proprietary Protocol SoC Family Data Sheet
Electrical Specifications
4.1.10.12 Sub-GHz RF Receiver Characteristics for 169 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 169 MHz.
Table 4.31. Sub-GHz RF Receiver Characteristics for 169 MHz Band
Parameter
Symbol
Test Condition
Min
Tuning frequency range
F_RANGE
169
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
Level above which
RFSENSE_TRIG CW at 169 MHz
—
RFSENSE will trigger⁴
Level below which
RFSENSE_THRES CW at 169 MHz
—
RFSENSE will not trigger⁴
Adjacent channel selectivity, C/I₁
Interferer is CW at ± 1 x
channel-spacing
Desired is 2.4 kbps GFSK signal¹
—
at 3dB above sensitivity level,
0.1% BER
Desired is 38.4kbps GFSK signal¹
43.3
at 3dB above sensitivity level,
0.1% BER
Alternate channel selectivity, C/I₂
Interferer is CW at ± 2 x
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
80
MHz
Upper limit of input power RSSI_MAX
—
range over which RSSI reso-
lution is maintained
Typ
—
10
10
-124
-112.2
-99.2
-28.1
-50
64.8
51.4
67.4
60.6
47.1
47.1
73.4
75
90.1
—
Max
170
—
—
—
-108
-96
—
—
—
Unit
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dBm
dB
—
dB
—
dB
—
dB
—
dB
—
dB
—
dB
—
dB
—
dB
5
dBm
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