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Clike here to get datasheet of CC1101 - Elechouse

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<strong>CC1101</strong>4.2 RF Receive SectionTc = 25°C, VDD = 3.0V if nothing else stated. All measurement results are obtained using the <strong>CC1101</strong>EM reference designs( [5] and [6]).Parameter Min Typ Max Unit Condition/NoteDigital channel filterbandwidth58 812 kHz User programmable. The bandwidth limits are proportional <strong>to</strong>crystal frequency (given values assume a 26.0 MHz crystal).315 MHz, 1.2 kBaud data rate, sensitivity optimized, MDMCFG2.DEM_DCFILT_OFF=0(2-FSK, 1% packet error rate, 20 bytes packet length, 5.2 kHz deviation, 58 kHz digital channel filter bandwidth)Receiver sensitivity -111 dBm Sensitivity can be traded for current consumption by settingMDMCFG2.DEM_DCFILT_OFF=1. The typical currentconsumption is then reduced from 17.2 mA <strong>to</strong> 15.4 mA atsensitivity limit. The sensitivity is typically reduced <strong>to</strong> -109 dBm315 MHz, 500 kBaud data rate, sensitivity optimized, MDMCFG2.DEM_DCFILT_OFF=0 (MDMCFG2.DEM_DCFILT_OFF=1cannot be used for data rates > 250 kBaud)(MSK, 1% packet error rate, 20 bytes packet length, 812 kHz digital channel filter bandwidth)-88 dBm433 MHz, 1.2 kBaud data rate, sensitivity optimized, MDMCFG2.DEM_DCFILT_OFF=0(GFSK, 1% packet error rate, 20 bytes packet length, 5.2 kHz deviation, 58 kHz digital channel filter bandwidthReceiver sensitivity -112 dBm Sensitivity can be traded for current consumption by settingMDMCFG2.DEM_DCFILT_OFF=1. The typical currentconsumption is then reduced from 18.0 mA <strong>to</strong> 16.0 mA atsensitivity limit. The sensitivity is typically reduced <strong>to</strong> -110 dBm433 MHz, 38.4 kBaud data rate, sensitivity optimized, MDMCFG2.DEM_DCFILT_OFF=0(GFSK, 1% packet error rate, 20 bytes packet length, 20 kHz deviation, 100 kHz digital channel filter bandwidth)Receiver sensitivity –104 dBm433 MHz, 250 kBaud data rate, sensitivity optimized, MDMCFG2.DEM_DCFILT_OFF=0(MSK, 1% packet error rate, 20 bytes packet length, 127 kHz deviation, 540 kHz digital channel filter bandwidth)Receiver sensitivity -95 dBm868 MHz, 1.2 kBaud data rate, sensitivity optimized, MDMCFG2.DEM_DCFILT_OFF=0(2-FSK, 1% packet error rate, 20 bytes packet length, 5.2 kHz deviation, 58 kHz digital channel filter bandwidth)Receiver sensitivity –111 dBm Sensitivity can be traded for current consumption by settingMDMCFG2.DEM_DCFILT_OFF=1. The typical currentconsumption is then reduced from 18.0 mA <strong>to</strong> 15.7 mA atsensitivity limit. The sensitivity is typically reduced <strong>to</strong> -109 dBmSaturation –14 dBm FIFOTHR.CLOSE_IN_RX=0Adjacent channelrejectionAlternate channelrejectionImage channelrejection,868MHz37 dB Desired channel 3 dB above the sensitivity limit. 100 kHzchannel spacing37 dB Desired channel 3 dB above the sensitivity limit. 100 kHzchannel spacingSee Figure 24 for plot <strong>of</strong> selectivity versus frequency <strong>of</strong>fset31 dB IF frequency 152 kHzDesired channel 3 dB above the sensitivity limit.868 MHz, 38.4 kBaud data rate, sensitivity optimized(GFSK, 1% packet error rate, 20 bytes packet length, 20 kHz deviation, 100 kHz digital channel filter bandwidth)Receiver sensitivity –103 dBmSaturation –16 dBmAdjacent channelrejectionAlternate channelrejectionImage channelrejection,868MHz20 dB Desired channel 3 dB above the sensitivity limit. 200 kHzchannel spacing30 dB Desired channel 3 dB above the sensitivity limit. 200 kHzchannel spacingSee Figure 25 for plot <strong>of</strong> selectivity versus frequency <strong>of</strong>fset23 dB IF frequency 152 kHzDesired channel 3 dB above the sensitivity limit.SWRS061C Page 10 <strong>of</strong> 94

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