EFR32FG12 Datasheet, PDF (41/183 Pages) –

EFR32FG12 Flex Gecko Proprietary Protocol SoC Family Data Sheet
Electrical Specifications
4.1.9.4 RF Receiver Characteristics for 1Mbps 2GFSK in the 2.4GHz Band, 1 Mbps Data Rate
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=38.4MHz. RF center frequency 2.45 GHz.
Table 4.15. RF Receiver Characteristics for 1Mbps 2GFSK in the 2.4GHz Band, 1 Mbps Data Rate
Parameter
Symbol
Test Condition
Min
Typ
Max
Unit
Max usable receiver input SAT
level, 0.1% BER
Signal is reference signal¹. Packet
—
10
—
dBm
length is 20 bytes.
Sensitivity, 0.1% BER
SENS
Signal is reference signal¹. Using
—
DC-DC converter.
-95.2
—
dBm
Signal to co-channel interfer- C/I_CC
er, 0.1% BER
Desired signal 3 dB above refer-
—
8.3
—
dB
ence sensitivity.
N+1 adjacent channel selec- C/I₁₊
tivity, 0.1% BER, with allowa-
ble exceptions. Desired is
reference signal at -67 dBm
Interferer is reference signal at +1
—
-6.5
—
dB
MHz offset. Desired frequency
2402 MHz ≤ Fc ≤ 2480 MHz
N-1 adjacent channel selec- C/I_1-
tivity, 0.1% BER, with allowa-
ble exceptions. Desired is
reference signal at -67 dBm
Interferer is reference signal at -1
—
-5.5
—
dB
MHz offset. Desired frequency
2402 MHz ≤ Fc ≤ 2480 MHz
Alternate selectivity, 0.1% C/I₂
BER, with allowable excep-
tions. Desired is reference
signal at -67 dBm
Interferer is reference signal at ± 2
—
MHz offset. Desired frequency
2402 MHz ≤ Fc ≤ 2480 MHz
-44.5
—
dB
Alternate selectivity, 0.1% C/I₃
BER, with allowable excep-
tions. Desired is reference
signal at -67 dBm
Interferer is reference signal at ± 3
—
-46.4
—
dB
MHz offset. Desired frequency
2404 MHz ≤ Fc ≤ 2480 MHz
Selectivity to image frequen- C/I_IM
cy, 0.1% BER. Desired is ref-
erence signal at -67 dBm
Interferer is reference signal at im-
—
-39.8
—
dB
age frequency with 1 MHz preci-
sion
Selectivity to image frequen-
cy ± 1 MHz, 0.1% BER. De-
sired is reference signal at
-67 dBm
C/I_IM+1
Interferer is reference signal at im-
—
-47
—
dB
age frequency ± 1 MHz with 1
MHz precision
Blocking, 0.1% BER, Desired BLOCK_OOB
Interferer frequency 30 MHz ≤ f ≤
—
-27
—
dBm
is reference signal at -67
2000 MHz
dBm. Interferer is CW in
OOB range
Interferer frequency 2003 MHz ≤ f
—
-32
—
dBm
≤ 2399 MHz
Interferer frequency 2484 MHz ≤ f
—
-32
—
dBm
≤ 2997 MHz
Interferer frequency 3 GHz ≤ f ≤
—
-27
—
dBm
12.75 GHz
Note:
1. Reference signal is defined 2GFSK at -67 dBm, Modulation index = 0.5, BT = 0.5, Bit rate = 1 Mbps, desired data = PRBS9;
interferer data = PRBS15; frequency accuracy better than 1 ppm.
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