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CC2500-RTR1 数据表(PDF) 10 Page - Texas Instruments |
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CC2500-RTR1 数据表(HTML) 10 Page - Texas Instruments |
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10 / 99 page  CC2500 SWRS040C Page 10 of 89 Parameter Min Typ Max Unit Condition/Note 250 kBaud data rate, sensitivity optimized, MDMCFG2.DEM_DCFILT_OFF=0 (MSK, 1% packet error rate, 20 bytes packet length, 540 kHz digital channel filter bandwidth) Receiver sensitivity –89 dBm Saturation –13 dBm Adjacent channel rejection 21 dB Desired channel 3 dB above the sensitivity limit. 750 kHz channel spacing Alternate channel rejection 30 dB Desired channel 3 dB above the sensitivity limit. 750 kHz channel spacing See Figure 24 for plot of selectivity versus frequency offset Blocking ±10 MHz offset ±20 MHz offset ±50 MHz offset 46 53 55 dB dB dB Wanted signal 3 dB above sensitivity level. Compliant with ETSI EN 300 440 class 2 receiver requirements. 250 kBaud data rate, current optimized, MDMCFG2.DEM_DCFILT_OFF=1 (MSK, 1% packet error rate, 20 bytes packet length, 540 kHz digital channel filter bandwidth) Receiver sensitivity –87 dBm Saturation –12 dBm Adjacent channel rejection 21 dB Desired channel 3 dB above the sensitivity limit. 750 kHz channel spacing Alternate channel rejection 30 dB Desired channel 3 dB above the sensitivity limit. 750 kHz channel spacing See Figure 25 for plot of selectivity versus frequency offset Blocking ±10 MHz offset ±20 MHz offset ±50 MHz offset 46 52 55 dB dB dB Wanted signal 3 dB above sensitivity level. Compliant with ETSI EN 300 440 class 2 receiver requirements. 500 kBaud data rate, MDMCFG2.DEM_DCFILT_OFF=0 (MDMCFG2.DEM_DCFILT_OFF=1 cannot be used for data rates >250 kBaud) (MSK, 1% packet error rate, 20 bytes packet length, 812 kHz digital channel filter bandwidth) Receiver sensitivity –83 dBm Saturation –18 dBm Adjacent channel rejection 14 dB Desired channel 3 dB above the sensitivity limit. 1 MHz channel spacing Alternate channel rejection 25 dB Desired channel 3 dB above the sensitivity limit. 1 MHz channel spacing See Figure 26 for plot of selectivity versus frequency offset Blocking ±10 MHz offset ±20 MHz offset ±50 MHz offset 40 48 50 dB dB dB Wanted signal 3 dB above sensitivity level. Compliant with ETSI EN 300 440 class 2 receiver requirements. General Spurious emissions 25 MHz – 1 GHz Above 1 GHz –57 –47 dBm dBm RX latency 9 bit Serial operation. Time from start of reception until data is available on the receiver data output pin is equal to 9 bit. Table 5: RF Receive Section |
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