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CC1100E Datasheet(PDF) 11 Page - Texas Instruments |
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CC1100E Datasheet(HTML) 11 Page - Texas Instruments |
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11 / 95 page  CC1100E SWRS082 Page 11 of 92 TA = 25C, VDD = 3.0 V if nothing else stated. All measurement results are obtained using the CC1100E EM reference designs ([3] and[4]) Table 6: RF Receive Section 955 MHz, 38.4 kBaud data rate, sensitivity optimized, MDMCFG2.DEM_DCFILT_OFF=0 (GFSK with BT=1, 1% packet error rate, 20 bytes packet length, 20 kHz deviation, 100 kHz digital channel filter bandwidth) Receiver sensitivity -104 dBm Sensitivity can be traded for current consumption by setting MDMCFG2.DEM_DCFILT_OFF=1. The typical current consumption is then reduced from 18.3mA to 17.7 mA at sensitivity limit. Saturation -18 dBm FIFOTHR.CLOSE_IN_RX=0. See more in DN010 [11] Adjacent channel rejection 12 dB Desired channel 3 dB above the sensitivity limit. 200 kHz channel spacing Alternate channel rejection 27 dB Desired channel 3 dB above the sensitivity limit. 200 kHz channel spacing See Figure 3 for plot of selectivity versus frequency offset Image channel rejection, 955 MHz 23 dB IF frequency 152 kHz Desired channel 3 dB above the sensitivity limit Parameter Min Typ Max Unit Condition/Note 955 MHz, 76.8 kBaud data rate, sensitivity optimized, MDMCFG2.DEM_DCFILT_OFF=0 (GFSK with BT=1, 1% packet error rate, 20 bytes packet length, 32 kHz deviation, 232 kHz digital channel filter bandwidth) Receiver sensitivity -100 dBm Sensitivity can be traded for current consumption by setting MDMCFG2.DEM_DCFILT_OFF=1 . The typical current consumption is then reduced from 18.6mA to 16.8 mA at sensitivity limit. Blocking Blocking at ±2 MHz offset, 1.2 kBaud, 955 MHz -49 dBm Desired channel 3 dB above the sensitivity limit Blocking at ±2 MHz offset, 38.4 kBaud, 955 MHz -49 dBm Desired channel 3 dB above the sensitivity limit Blocking at ±10 MHz offset, 1.2 kBaud, 955 MHz -39 dBm Desired channel 3 dB above the sensitivity limit Blocking at ±10 MHz offset, 38.4 kBaud, 955 MHz -40 dBm Desired channel 3 dB above the sensitivity limit General Spurious Emmissions -38 -32 dBm dBm 25 MHz – 1 GHz Excluding the 470-510 MHz band, signal at 960 MHz, 2 nd harmonicAbove 1 GHz Typical radiated spurious emission is -49 dBm measured at the VCO frequency Data above is for the 470-510 MHz band, for spurious emmisions at 950-960 MHz, look at section 28. 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 bits. |
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