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S2-LP 数据表(PDF) 22 Page - STMicroelectronics |
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S2-LP 数据表(HTML) 22 Page - STMicroelectronics |
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22 / 90 page ![]() Specifications S2-LP 22/90 DocID029944 Rev 1 4.8.4 Sensitivity at 868 MHz Table 21: Sensitivity at 868 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 -129 dBm DR = 1.2 kbps, FDEV = 1.2 kHz, CHF = 4 kHz -123 DR = 38.4 kbps, FDEV = 20 kHz, CHF = 100 kHz -110 DR = 100 kbps, FDEV = 50 kHz, CHF = 200 kHz -107 Sensitivity 1% BER @ 4-GFSK BT = 0.5 DR = 4.8 kbps, DEV = 2.4 kHz, CHF = 10 kHz -115 dBm DR = 9.6 kbps, DEV = 4.8 kHz, CHF = 20 kHz -112 DR = 19.2 kbps, DEV = 9.6 kHz, CHF = 40 kHz -110 Sensitivity 1% BER @ OOK DR = 0.3 kbps, CHF = 1 kHz -121 dBm DR = 1.2 kbps, CHF = 4 kHz -120 DR = 38.4 kbps, CHF = 100 kHz -106 DR = 125 kbps, CHF = 250 kHz -101 4.8.5 Blocking and selectivity at 920 MHz Table 22: Blocking and selectivity at 920 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) 58 dB -12.5 kHz (adjacent channel) 58 +25 kHz (alternate channel) 59 -25 kHz (alternate channel) 59 Image rejection 59 ±2 MHz 83 ±10 MHz 84 Selectivity and blocking 1% BER @ 2-GFSK BT=0.5 20 kHz FDEV, DR = 38.4 kbps, CHF = 100 kHz +100 kHz (adjacent channel) 43 dB -100 kHz (adjacent channel) 43 +200 kHz (alternate channel) 45 -200 kHz (alternate channel) 45 Image rejection 48 ±2 MHz 69 ±10 MHz 71 |
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