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STM32WL33C8 Datasheet(PDF) 53 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) 53 Page - STMicroelectronics

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Table 35. Blocking, selectivity and saturation at 915 MHz
Parameter
Test condition
HPM
LPM
Unit
Selectivity and blocking 0.1%
BER @ 2-GFSK, BT = 0.5,
FDEV = 1.2 kHz , DR =
1.2 kbit/s, CHF = 4 kHz
Wanted signal = ETSI
sensitivity + 3 dB = -108 dBm.
Not modulated interferer
signal.
+12.5 kHz (adjacent channel)
-45
-49
dB
-12.5 kHz (adjacent channel)
-45
-49
+25 kHz (alternate channel)
-45
-51
-25 kHz (alternate channel)
-45
-51
Image rejection
Offset = - 600 kHz
-52
-52
+2 MHz
-29
-29
-2 MHz
-30
-30
±10 MHz
-19
-20
±15 MHz
-17
-18
Selectivity and blocking 0.1%
BER @ 2-GFSK, BT = 0.5,
FDEV = 20 kHz, DR =
38.4 kbit/s, CHF = 100 kHz.
Wanted signal = ETSI
sensitivity + 3 dB = -94 dBm
Not modulated interferer
signal.
+100 kHz (adjacent channel)
-44
-50
dB
-100 kHz (adjacent channel)
-44
-50
+200 kHz (alternate channel)
-45
-47
-200 kHz (alternate channel)
-45
-48
Image rejection
Offset = -600 kHz
-41
-42
±2 MHz
-26
-26
±10 MHz
-18
-19
±15 MHz
-17
-17
ETSI saturation at adjacent
channel 0.1% BER @ 2-
GFSK, BT = 0.5, FDEV
1.2 kHz, DR = 1.2 kbit/s, CHF
= 4 kHz.
Wanted signal = -68 dBm
Offset = ±25 kHz (adjacent channel)
-8
-12
dBm
ETSI saturation at adjacent
channel 0.1% BER @ 2-
GFSK, BT = 0.5, FDEV =
20 kHz , DR = 38.4 kbit/s,
CHF = 100 kHz.
Wanted signal = -54 dBm
Offset = ±100 kHz (adjacent channel)
-7
-11
dBm
STM32WL33xx
Electrical characteristics
DS14221 - Rev 5
page 53/91



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