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STM32WL33C8 Datasheet(PDF) 47 Page - STMicroelectronics

Part # STM32WL33C8
Description  Multiprotocol LPWAN 32-bit MCU Arm® Cortex®-M0 2(G)FSK, 4(G)FSK, ASK, D-BPSK, up to 256KB flash, 32KB SRAM
PDF  91 Pages
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Manufacturer  STMICROELECTRONICS [STMicroelectronics]
Direct Link  http://www.st.com
Logo STMICROELECTRONICS - STMicroelectronics

STM32WL33C8 Datasheet(HTML) 47 Page - STMicroelectronics

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Table 27. Sensitivity at 169 MHz (SMPS clock frequency= 4 MHz)
Parameter
Test condition
SMPS OFF
HPM/LPM SMPS ON
Unit
0.1% BER
1% BER
0.1% BER
1% BER
Sensitivity
BER @ 2-GFSK,
BT = 0.5
DR = 1.2 kbit/s, FDEV = 4 kHz,
CHF = 10 kHz
-123
-125
-123
-125
dBm
DR = 2.4 kbit/s, FDEV = 2.4 kHz,
CHF = 8 kHz
-121
-123
-121
-123
DR = 4.8 kbit/s, FDEV = 2.4 kHz,
CHF = 10 kHz
-121
-123
-121
-123
DR = 6.4 kbit/s, FDEV = 6.4 kHz,
CHF = 20 kHz
-117
-119
-117
-119
DR = 38.4 kbit/s, FDEV = 20 kHz,
CHF = 100 kHz
-112
-114
-112
-114
Sensitivity
BER @ 4-GFSK,
BT = 0.5
DR = 2.4 ks/s, FDEV = 1.2 kHz,
CHF = 5 kHz
-115
-118
-115
-118
dBm
DR = 4.8 ks/s, FDEV = 2.4 kHz,
CHF = 10 kHz
-112
-115
-112
-115
DR = 9.6 ks/s, FDEV = 4.8 kHz,
CHF = 20 kHz
-109
-112
-109
-112
Sensitivity
BER @ OOK
DR = 0.3 kbit/s, CHF = 1.7 kHz
-129
-132
-129
-132
dBm
DR = 1.2 kbit/s, CHF = 4 kHz
-124
-127
-123
-127
DR = 38.4 kbit/s, CHF = 120 kHz
-109
-112
-109
-112
Table 28. Blocking, selectivity and saturation at 169 MHz (SMPS clock frequency= 4 MHz)
Parameter
Test condition
HPM
LPM
Unit
Adjacent and Alternate channel rejection
0.1% BER @ 2-GFSK BT=0.5
FDEV=2.4 kHz, DR = 2.4 kbit/s, CHF =
8 kHz
Wanted signal = 10LOG10(CHFkHz)-117+
3 dB = -105 dBm
Interferer CW
Channel spacing = 12.5 kHz
AFC OFF, GMC = 0x0A
+12.5 kHz (adjacent channel)
-35.5
-37.7
dBm
-12.5 kHz (adjacent channel)
-35.4
-35.9
+25 kHz (alternate channel)
-35.3
-35.1
-25 kHz (alternate channel)
-35.5
-37.3
Selectivity and blocking 0.1%
BER @ 2-GFSK BT=0.5, FDEV=2.4 kHz,
DR = 2.4 kbit/s, CHF = 8 kHz
Wanted signal = 10LOG10(CHFkHz)-117+
3 dB = -105 dBm
AFC OFF, GMC = 0x0A
Not modulated interferer signal
-2 MHz
-26.5
-28.9
dBm
+2 MHz
-21.0
-20.5
-10 MHz
-15.8
-16.1
+10 MHz
-14.0
-14.7
-15 MHz
-14.6
-14.9
+15 MHz
-13.4
-14.0
Adjacent and Alternate channel rejection
0.1% BER @ 2-GFSK BT=0.5
FDEV = 6.4 kHz, DR = 6.4 kbit/s, CHF =
20 kHz
Wanted signal = 10LOG10(CHFkHz)-117+
3 dB = -101 dBm
Interferer CW
Channel spacing = 12.5 kHz
+12.5 kHz
(adjacent channel)
-35.5
-37.8
dBm
-12.5 kHz
(adjacent channel)
-35.5
-36.5
+25.5 kHz
(adjacent channel)
-35.2
-39.8
-25 kHz
-35.5
-38.5
STM32WL33xx
Electrical characteristics
DS14221 - Rev 5
page 47/91



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