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STEVAL-ASTRA1B 데이터시트(PDF) 19 Page - STMicroelectronics |
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STEVAL-ASTRA1B 데이터시트(HTML) 19 Page - STMicroelectronics |
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19 / 28 page ![]() Figure 19. System on board (STEVAL-ASTRA1SB) circuit schematic (10 of 10) STM32WL RF VDDRF1V55 VDDPA VDDRF VDDSMPS VLXSMPS VFBSMPS VR_PA RFO_HP RFO_LP RFI_P RFI_N XTA PB0_VDD_TCXO FE_CTRL3 FE_CTRL1 FE_CTRL2 WL_VDD_APP VDD_RF GND_RF PB0_VDD_TCXO VDDRF VDDPA VDDRF1V55 VLXSMPS VDDSMPS VDD_RF WL_VDD_APP VDDRF PB0_VDD_TCXO VFBSMPS VDDPA VDDRF1V55 VDD_RF VDD_BGS13SN8 WL_VDD_APP VR_PA VDDRF1V55 VDDPA VDDRF VDDSMPS VLXSMPS VFBSMPS VR_PA WL_VDD_APP VDD_RF C948 4.3pF L904 1kOhm 100MHz C944 33pF J932 NX3L1T3157GM Y1 1 GND 2 Y0 3 Z 4 VCC 5 SEL 6 CL1 Clip-S0951-46r C947 6.2pF C938 470nF C965 1pF N.M. C946 1nF R910 100R R911 100R R913 0R L903 15uH C957 1.3pF C935 33pF R906 0R SB931 0R C951 68pF C932 47pF J936 UFL Wurth_636101111001 L905 3.3nH 1 2 C950 47nF C933 33pF L914 11nH TP901 CL4 Clip-S0951-46r R905 0R C954 33pF C955 5.6pF L908 47nH 1 2 C931 100nF C952 2.7pF L907 47nH 1 2 C961 33pF R909 100R C956 3.3pF 32MHz Y901 STBY# 1 GND 2 OUT 3 VCC 4 SB928 0R C964 3.3pF C939 10pF SB929 0R C937 47pF CL3 Clip-S0951-46r L906 8.7nH 1 2 J935 CON_SMA_Wurth_60312202114508 C945 33pF C940 100nF SB930 0R N.M. L910 8.7nH 1 2 L912 3.3nH 1 2 C943 1nF C963 3.6pF C949 1.5pF SH1 Shield MS190-10S CL2 Clip-S0951-46r U904 BGS13SN8 1 VDD 2 V2 V1 3 RF3 4 RF1 5 RF_IN 6 RF2 7 DGND 8 J933 NX3L1T3157GM Y1 1 GND 2 Y0 3 Z 4 VCC 5 SEL 6 C966 2.7pF R908 220R C953 33pF C936 100nF TP900 C942 2.2pF C941 1nF L911 2.5nH 1 2 L909 3nH 1 2 C962 3.3pF L913 8.7nH 1 2 C934 33pF FE_CTRL1 XTA FE_CTRL2 FE_CTRL1 FE_CTRL3 FE_CTRL1 RFO_HP RFO_LP RFI_P RFI_N RFO_HP RFO_LP RFI_P RFI_N XTA PB0_VDD_TCXO FE_CTRL3 FE_CTRL1 FE_CTRL2 |
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