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CC1000-RTR2 bảng dữ liệu(PDF) 22 Page - Texas Instruments |
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CC1000-RTR2 bảng dữ liệu(HTML) 22 Page - Texas Instruments |
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22 / 59 page ![]() CC1000 SWRS048A Page 22 of 55 13. Receiver sensitivity versus data rate and frequency separation The receiver sensitivity depends on the data rate, the data format, FSK frequency separation and the RF frequency. Typical figures for the receiver sensitivity (BER = 10 -3) are shown in Table 6 for 64 kHz frequency separations and Table 7 for 20 kHz separations. Optimised sensitivity configurations are used. For best performance the frequency separation should be as high as possible especially at high data rates. Table 8 shows the sensitivity for low current settings. See page 28 for how to program different current consumption. 433 MHz 868 MHz Data rate [kBaud] Separation [kHz] NRZ mode Manchester mode UART mode NRZ mode Manchester mode UART mode 0.6 64 -113 -114 -113 -110 -111 -110 1.2 64 -111 -112 -111 -108 -109 -108 2.4 64 -109 -110 -109 -106 -107 -106 4.8 64 -107 -108 -107 -104 -105 -104 9.6 64 -105 -106 -105 -102 -103 -102 19.2 64 -103 -104 -103 -100 -101 -100 38.4 64 -102 -103 -102 -98 -99 -98 76.8 64 -100 -101 -100 -97 -98 -97 Average current consumption 9.3 mA 11.8 mA Table 6. Receiver sensitivity as a function of data rate at 433 and 868 MHz, BER = 10 -3, frequency separation 64 kHz, normal current settings 433 MHz 868 MHz Data rate [kBaud] Separation [kHz] NRZ mode Manchester mode UART mode NRZ mode Manchester mode UART mode 0.6 20 -109 -111 -109 -106 -108 -106 1.2 20 -108 -110 -108 -104 -106 -104 2.4 20 -106 -108 -106 -103 -105 -103 4.8 20 -104 -106 -104 -101 -103 -101 9.6 20 -103 -104 -103 -100 -101 -100 19.2 20 -102 -103 -102 -99 -100 -99 38.4 20 -98 -100 -98 -98 -99 -98 76.8 20 -94 -98 -94 -94 -96 -94 Average current consumption 9.3 mA 11.8 mA Table 7. Receiver sensitivity as a function of data rate at 433 and 868 MHz, BER = 10 -3, frequency separation 20 kHz, normal current settings 433 MHz 868 MHz Data rate [kBaud] Separation [kHz] NRZ mode Manchester mode UART mode NRZ mode Manchester mode UART mode 0.6 64 -111 -113 -111 -107 -109 -107 1.2 64 -110 -111 -110 -106 -107 -106 2.4 64 -108 -109 -108 -104 -105 -104 4.8 64 -106 -107 -106 -102 -103 -102 9.6 64 -104 -105 -104 -100 -101 -100 19.2 64 -102 -103 -102 -98 -99 -98 38.4 64 -101 -102 -101 -96 -97 -96 76.8 64 -99 -100 -99 -95 -96 -95 Average current consumption 7.4 mA 9.6 mA Table 8. Receiver sensitivity as a function of data rate at 433 and 868 MHz, BER = 10 -3, frequency separation 64 kHz , low current settings |
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