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CC2400-RTR1 数据表(PDF) 9 Page - Texas Instruments |
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CC2400-RTR1 数据表(HTML) 9 Page - Texas Instruments |
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9 / 83 page  CC2400 SWRS042A Page 9 of 83 8 RF Receive section Tc = 25 °C, AVDD/DVDD1.8 = 1.8 V, DVDD3.3 = 3.3V (digital I/O) if nothing else stated. Measured on Chipcon’s CC2400EM reference design. Parameter Min. Typ. Max. Unit Condition / Note Receiver Sensitivity at BER = 10 −3 1 Mbps, 1 MHz channel BW 250 kbps, 1 MHz channel BW 10 kbps, 500 kHz channel BW -87 -91 -101 dBm dBm dBm Measured in a 50 Ohm single- ended load through a balun. FSK, NRZ mode used. ±250 kHz frequency deviation ±250 kHz frequency deviation ±125 kHz frequency deviation Saturation (maximum input level) 3 dBm Maximum gain in LNA. NRZ coded data, BER = 10 −3 Co-channel rejection -10 dB 1 Mbps wanted signal 10 dB above the sensitivity level, interferer modulated like signal (pseudo-random FSK, ± 250 kHz deviation), interferer at operating frequency, BER = 10 −3 Adjacent channel rejection (ACR) 1 Mbps 250 kbps 0 12 dB dB FSK wanted signal 10 dB above the sensitivity level, 1 MHz channel spacing, interferer modulated like signal (pseudo- random FSK, ± 250 kHz deviation) at adjacent channel, BER = 10 −3 Image channel rejection 1 Mbps 250 kbps 21 39 dB dB FSK wanted signal 10 dB above the sensitivity level, interferer modulated like signal (pseudo- random FSK, ± 250 kHz deviation) at image frequency, BER = 10 −3. The image channel is centered 2MHz below the center frequency of the desired channel. Selectivity (C/I) (In-band channel rejection) + 2MHz ± 3MHz ± 4MHz ± 5MHz ± 10MHz ± 20 MHz ± 50MHz 20 41 50 52 55 56 59 dB dB dB dB dB dB dB 1Mbps FSK wanted signal at 2441 MHz, 3 dB above the sensitivity level (except + 2 MHz, which is 10 dB above the sensitivity limit), jammer modulated like signal (pseudo- random, ± 250 kHz deviation) at ± 2-39 MHz in 1 MHz steps offset, BER = 10 −3. Adjacent channels and image channel are excluded. + 2 MHz ± 3 MHz ± 4 MHz ± 5 MHz ± 10 MHz ± 20 MHz ± 50 MHz 48 50 55 56 59 60 64 dB dB dB dB dB dB dB 250 kbps FSK wanted signal at 2441 MHz, 3 dB above the sensitivity level (except + 2 MHz, which is 10 dB above the sensitivity limit), jammer modulated like signal (pseudo- random, ± 250 kHz deviation) at ± 2-39 MHz in 1 MHz steps offset, BER = 10 −3. Adjacent channels and image channel are excluded. |
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