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STM32WL33C8VATR bảng dữ liệu(PDF) 58 Page - STMicroelectronics |
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STM32WL33C8VATR bảng dữ liệu(HTML) 58 Page - STMicroelectronics |
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58 / 91 page ![]() 6.3.7.4 Harmonic emission at 915 MHz Table 44. Harmonic emission at 915 MHz Parameter Test condition 10 dBm 16 dBm 20 dBm Unit H1 As detailed above 10 16 20 dBm H2 As detailed above -50 -42 -42 H3 As detailed above -58 -55 -52 H4 As detailed above -63 -59 -65 H5 As detailed above -61 -55 -46 H6 As detailed above -63 -34 -46 H7 As detailed above -61 -58 -68 6.3.8 Frequency synthesizer Characteristics measured over recommended operating conditions. All typical values are referred to 25 °C temperature, VBAT = 3.3 V, SMPS ON Vsmps = 1.4 V, SMPS clock frequency = 4 MHz, HSE ON, GMC 0x0A, WFI mode. The whole performance is referred to the reference design with a 50-ohm antenna connector. Table 45. Frequency synthesizer parameters Parameter Test conditions HPM Unit Frequency step size For 433 MHz 5.72 Hz For 868-915 MHz 11.44 RF carrier phase noise 433.5 MHz 10 kHz -108 dBc/Hz 100 kHz -112 1 MHz -130 10 MHz -147 RF carrier phase noise 868 MHz 10 kHz -105 100 kHz -108 1 MHz -124 10 MHz -142 RF carrier phase noise 915 MHz 10 kHz -104 100 kHz -108 1 MHz -121 10 MHz -140 STM32WL33xx Electrical characteristics DS14221 - Rev 5 page 58/91 |
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