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CC1110-RTY1 数据表(PDF) 15 Page - Texas Instruments |
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CC1110-RTY1 数据表(HTML) 15 Page - Texas Instruments |
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15 / 203 page  CC1110 CC1110 PRELIMINARY Datasheet (Rev. 1.01) SWRS033A Page 15 of 202 7.3 RF Transmit Section TA=25°C, VDD=3.0V if nothing else stated. Measured on Chipcon’s CC1110 EM reference design. Parameter Min Typ Max Unit Condition/Note Differential load impedance TBD Ω Follow CC1110EM reference design Output power, highest setting 10 dBm Output power is programmable, and full range is available in all frequency bands. Output power must be selected to comply with frequency regulations. Output power is limited to 0 dBm when ASK is used. Delivered to a 50 Ω single-ended load via Chipcon reference RF matching network. Output power, lowest setting –30 dBm Output power is programmable, and full range is available in all frequency bands. Delivered to a 50 Ω single-ended load via Chipcon reference RF matching network. Spurious emissions and harmonics, 433/868MHz –36 –54 –47 –30 dBm dBm dBm dBm 25MHz – 1GHz 47-74, 87.5-118, 174-230, 470-862MHz 1800MHz-1900MHz (restricted band in Europe), when the operating frequency is below 900MHz (2 nd harmonic can not fall within this band when used in Europe) Otherwise above 1GHz Spurious emissions, 315/915MHz -49.2 -41.2 dBm EIRP dBm EIRP <200 µV/m at 3m below 960MHz. <500 µV/m at 3m above 960MHz. Harmonics 315MHz -20 -41.2 dBc dBm 2 nd, 3rd and 4th harmonic when the output power is maximum 6mV/m at 3m. (-19.6dBm EIRP) 5 th harmonic Harmonics 915MHz -20 -41.2 dBc dBm 2 nd harmonic 3 rd, 4th and 5th harmonic Table 7: RF Transmit Parameters 7.4 26 MHz Crystal Oscillator TA=25°C, VDD=3.0V if nothing else is stated. Parameter Min Typ Max Unit Condition/Note Crystal frequency 26 26 27 MHz 26 MHz and 27 MHz is supported. Crystal frequency accuracy requirement ±40 ppm This is the total tolerance including a) initial tolerance, b) ageing and c) temperature dependence. The acceptable crystal tolerance depends on RF frequency and channel spacing / bandwidth. |
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