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S2-LP 数据表(PDF) 21 Page - STMicroelectronics |
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S2-LP 数据表(HTML) 21 Page - STMicroelectronics |
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21 / 90 page ![]() S2-LP Specifications DocID029944 Rev 1 21/90 4.8.2 Sensitivity at 433 MHz Table 19: Sensitivity at 433 MHz Parameter Test conditions SMPS on Unit Sensitivity 1% BER @ 2-GFSK BT = 0.5 DR = 0.3 kbps, FDEV = 0.25 kHz, CHF = 1 kHz -131 dBm DR = 1.2 kbps, FDEV = 1.2 kHz, CHF = 4 kHz -125 DR = 38.4 kbps, FDEV = 20 kHz, CHF = 100 kHz -111 DR = 100 kbps, FDEV = 50 kHz, CHF = 200 kHz -106 Sensitivity 1% BER @ 4-GFSK BT = 0.5 DR = 4.8 kbps, DEV = 2.4 kHz, CHF = 10 kHz -117 dBm DR = 9.6 kbps, DEV = 4.8 kHz, CHF = 20 kHz -113 DR = 19.2 kbps, DEV = 9.6 kHz, CHF = 40 kHz -110 Sensitivity 1% BER @ OOK DR = 0.3 kbps, CHF = 1 kHz -122 dBm DR = 1.2 kbps, CHF = 4 kHz -120 DR = 38.4 kbps, CHF = 100 kHz -107 DR = 125 kbps, CHF = 250 kHz -100 4.8.3 Blocking and selectivity at 868 MHz Table 20: Blocking and selectivity at 868 MHz Parameter Test condition SMPS on Unit Selectivity and blocking 1% BER @ 2-GFSK BT=0.5 1.2 kHz FDEV, DR = 1.2 kbps, CHF = 4 kHz +12.5 kHz (adjacent channel) 60 dB -12.5 kHz (adjacent channel) 60 +25 kHz (alternate channel) 61 -25 kHz (alternate channel) 61 Image rejection 59 ± 2MHz 82 ± 10MHz 83 Selectivity and blocking 1% BER @ 2-GFSK BT=0.5 20 kHz FDEV, DR = 38.4 kbps, CHF = 100 kHz +100 kHz (adjacent channel) 45 dB -100 kHz (adjacent channel) 45 +200 kHz (alternate channel) 47 -200 kHz (alternate channel) 47 Image rejection 49 ±2 MHz 68 ±10 MHz 69 |
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